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  Field Listing - Disputes - international


Country
Disputes - international
Afghanistan thousands of Afghan refugees still reside in Iran and Pakistan; isolating terrain and close ties among Pashtuns in Pakistan make cross-border activities difficult to control; prolonged regional drought strains water-sharing arrangements for Amu Darya and Helmand River states
Albania the Albanian Government calls for the protection of the rights of ethnic Albanians outside its borders in the Kosovo region of Serbia and Montenegro, and in the northern Former Yugoslav Republic of Macedonia, while continuing to seek regional cooperation; some outside ethnic Albanian groups voice union with Albania
Algeria Libya claims about 32,000 sq km in a dormant dispute still reflected on its maps in southeastern Algeria; armed bandits based in Mali attack southern Algerian towns; border with Morocco remains closed over mutual claims of harboring militants, arms smuggling; Algeria supports the exiled Sahrawi Polisario Front and rejects Moroccan administration of Western Sahara
American Samoa none
Andorra none; border is undemarcated in sections but is not in dispute (a few French farmers still remain upset about the transfer of 35 hectares of land to Andorra)
Angola gives shelter to thousands of refugees from the Democratic Republic of the Congo while thousands of Angolan refugees still remain in neighboring states as a consequence of the protracted civil wars in both states
Anguilla none
Antarctica Antarctic Treaty freezes claims (see Antarctic Treaty Summary in Government type entry); sections (some overlapping) claimed by Argentina, Australia, Chile, France, NZ, Norway, and UK; the US and most other states do not recognize the territorial claims of other states and have made no claims themselves (the US and Russia reserve the right to do so); no claims have been made in the sector between 90 degrees west and 150 degrees west; several states with land claims in Antarctica have expressed their intention to submit data to the UN Commission on the Limits of the Continental Shelf to extend their continental shelf claims to adjoining undersea ridges
Antigua and Barbuda none
Arctic Ocean some maritime disputes (see littoral states)
Argentina claims UK-administered Falkland Islands (Islas Malvinas) and South Georgia and the South Sandwich Islands in its constitution, but in 1995 ceded the right to settle the dispute by force; Beagle Channel islands dispute resolved through Papal mediation in 1984, but armed incidents persist since 1992 oil discovery; territorial claim in Antarctica partially overlaps UK and Chilean claims (see Antarctic disputes); unruly region at convergence of Argentina-Brazil-Paraguay borders is locus of money laundering, smuggling, arms and drug trafficking, and harbors Islamist militants; uncontested dispute between Brazil and Uruguay over Braziliera Island in the Quarai/Cuareim leaves the tripoint with Argentina in question
Armenia Armenia supports ethnic Armenian secessionists in Nagorno-Karabakh and militarily occupies 16% of Azerbaijan - Organization for Security and Cooperation in Europe (OSCE) continues to mediate dispute; border with Turkey remains closed over Nagorno-Karabakh dispute; traditional demands regarding former Armenian lands in Turkey have subsided; ethnic Armenian groups in Javakheti region of Georgia seek greater autonomy, closer ties with Armenia
Aruba none
Ashmore and Cartier Islands nationalist group in Indonesia reportedly seeks to populate reefs to assert claims; Australia has moved to close reefs to Indonesian traditional fishing and to create a national park while prospecting for hydrocarbons in the vicinity
Atlantic Ocean some maritime disputes (see littoral states)
Australia maritime delimitation and resource sharing agreements signed with East Timor resolve dispute over "Timor Gap" hydrocarbon reserves; no agreement reached on dividing Timor Sea with Indonesia (see Ashmore and Cartier Islands disputes); Australia asserts a territorial claim to Antarctica and to its continental shelf (see Antarctica)
Austria minor disputes with Czech Republic and Slovenia continue over nuclear power plants and post-World War II treatment of German-speaking minorities
Azerbaijan Armenia supports ethnic Armenian secessionists in Nagorno-Karabakh and militarily occupies about one-sixth of Azerbaijan - Organization for Security and Cooperation in Europe (OSCE) continues to mediate dispute; Azerbaijan, Kazakhstan, and Russia ratify Caspian seabed delimitation treaties based on equidistance, while Iran continues to insist on an even one-fifth allocation and challenges Azerbaijan's hydrocarbon exploration in disputed waters; ICJ decision expected to resolve dispute with Turkmenistan over sovereignty of certain Caspian oilfields
Bahamas, The have not been able to agree on a maritime boundary with the US
Bahrain none
Baker Island none
Bangladesh discussions with India remain stalled to delimit a small section of river boundary, demarcate and fence the porous land boundary, exchange 162 miniscule enclaves, allocate divided villages, and stop illegal cross-border trade and violence; Bangladesh protests India's attempts to fence off high-traffic sections of the porous boundary; dispute with India over New Moore/South Talpatty Island in the Bay of Bengal prevents maritime boundary delimitation; Burmese Muslim refugees strain Bangladesh's meager resources
Barbados none
Bassas da India claimed by Madagascar
Belarus 1997 boundary treaty with Ukraine remains unratified over unresolved financial claims, preventing demarcation and encouraging illegal border crossing; boundaries with Latvia and Lithuania remain undemarcated despite European Union financial support
Belgium none
Belize Guatemala has claimed half of southern Belize; Guatemalan squatters continue to settle along the border despite a 2000 agreement; OAS brokered a Differendum in 2002 that created a small adjustment to land boundary, a large Guatemalan maritime corridor in the Caribbean, a joint ecological park for disputed Sapodilla Cays, and a substantial US-UK financial package, but agreement was not brought to a popular referendum
Benin two villages are in dispute along the border with Burkina Faso; much of Benin-Niger boundary, including tripoint with Nigeria, remains undemarcated, but states accept 2001 arbitration over disputed Niger River islands; several villages along the Okpara River are in dispute with Nigeria; in 2001, Benin claimed Togo moved the boundary stones - joint commission presently resurveying the boundary
Bermuda none
Bhutan approximately 100,000 Bhutanese refugees living in Nepal, 90% of whom reside in seven UN Office of the High Commissioner for Refugees camps, place decades-long strains on Nepal
Bolivia continues to press Chile and Peru to restore the Atacama corridor ceded to Chile in 1884; Chile demands water rights to Bolivia's Rio Lauca and Silala Spring
Bosnia and Herzegovina Bosnia and Herzegovina and Serbia and Montenegro have delimited about half of their boundary, but sections along the Drina River remain in dispute; discussions continue with Croatia on problem sections of the Una River and villages at the base of Mount Pljesevica
Botswana established a commission with Namibia to resolve small residual disputes along the Caprivi Strip, including the Situngu marshlands along the Linyanti River; downstream Botswana residents protest Namibia's planned construction of the Okavango hydroelectric dam on Popa Falls; dormant dispute remains where Botswana, Namibia, Zambia, and Zimbabwe boundaries converge
Bouvet Island none
Brazil unruly region at convergence of Argentina-Brazil-Paraguay borders is locus of money laundering, smuggling, arms and drug trafficking, and harbors Islamist militants; uncontested dispute with Uruguay over certain islands in the Quarai/Cuareim and Invernada boundary streams and the resulting tripoint with Argentina
British Indian Ocean Territory Mauritius and Seychelles claim the Chagos Archipelago and its former inhabitants, who reside chiefly in Mauritius, but in 2001 were granted UK citizenship and the right to repatriation since eviction in 1965; repatriation is complicated by the US military lease of Diego Garcia, the largest island in the chain
British Virgin Islands none
Brunei Involved in dispute over the Spratly Islands with China, Malaysia, Philippines, Taiwan, and Vietnam; Brunei established an exclusive economic fishing zone encompassing Louisa Reef in southern Spratly Islands in 1984 but makes no public territorial claim to the offshore reefs; claimants in November 2002 signed the "Declaration on the Conduct of Parties in the South China Sea", a mechanism to ease tension but which fell short of a legally binding "code of conduct"
Bulgaria joint boundary commission is rectifying boundary with Romania based on shifts in Danube since last delimitation in 1920
Burkina Faso two villages are in dispute along the border with Benin; Burkina Faso border regions have become a staging area for Liberia and Cote d'Ivoire rebels and an asylum for refugees caught in regional fighting; the Ivorian Government accuses Burkina Faso of supporting Ivorian rebels
Burma despite continuing border committee talks, significant differences remain with Thailand over boundary alignment and the handling of ethnic rebels, refugees, and illegal cross-border activities
Burundi Tutsi, Hutu, and other conflicting ethnic groups, associated political rebels, armed gangs, and various government forces continue fighting in the Great Lakes region, transcending the boundaries of Burundi, Democratic Republic of the Congo, Rwanda, and Uganda to gain control over populated and natural resource areas; government heads pledge to end conflict, but localized violence continues despite UN peacekeeping efforts
Cambodia completed boundary demarcation with Thailand; accuses Vietnam of moving and destroying boundary markers and encroachments, initiating border incidents; accuses Thailand of preventing access to Preah Vihear temple ruins awarded to Cambodia by ICJ decision in 1962; maritime boundary with Vietnam hampered by dispute over offshore islands
Cameroon ICJ ruled in 2002 on the Cameroon-Nigeria land and maritime boundary by awarding the potentially petroleum-rich Bakassi Peninsula and offshore region to Cameroon; Nigeria rejected cession of the peninsula, but the parties have formed a Joint Border Commission to resolve differences bilaterally and have commenced with demarcation in less-contested sections of the boundary; Lake Chad Commission continues to urge signatories Cameroon, Chad, Niger, and Nigeria to ratify delimitation treaty over the lake region, which remains the site of armed clashes among local populations and militias; Nigeria agreed to ratify the treaty and relinquish sovereignty of disputed lands to Cameroon by December 2003
Canada managed maritime boundary disputes with the US at Dixon Entrance, Beaufort Sea, Strait of Juan de Fuca, and around the disputed Machias Seal Island and North Rock; uncontested dispute with Denmark over Hans Island sovereignty in the Kennedy Channel between Ellesmere Island and Greenland
Cape Verde none
Cayman Islands none
Central African Republic internal political instabilities with fighting and violence overlap into Chad and CAR, leaving refugees and rebel groups in both countries; violent ethnic skirmishes persist along the border with Sudan
Chad internal political instabilities with fighting and violence overlap into Chad and Central African Republic, leaving refugees and rebel groups in both countries; Chadian Aozou rebels reside in southern Libya; Lake Chad Commission continues to urge signatories Cameroon, Chad, Niger, and Nigeria to ratify delimitation treaty over lake region, which remains the site of armed clashes among local populations and militias; Chad rejects Nigerian request to redemarcate boundary, the site of continuing cross-border incidents
Chile Bolivia continues to press Chile and Peru to restore the Atacama corridor ceded to Chile in 1884; dispute with Peru over the economic zone delimited by the maritime boundary; Chile demands water rights to Bolivia's Rio Lauca and Silala Spring; Beagle Channel islands dispute resolved through Papal mediation in 1984, but armed incidents persist since 1992 oil discovery; territorial claim in Antarctica (Chilean Antarctic Territory) partially overlaps Argentine and British claims
China involved in complex dispute over the Spratly Islands with Malaysia, Philippines, Taiwan, Vietnam, and possibly Brunei; claimants in November 2002 signed the "Declaration on the Conduct of Parties in the South China Sea", a mechanism to ease tension but which fell short of a legally binding "code of conduct"; much of the rugged, militarized boundary with India is in dispute, but the two sides have participated in more than 13 rounds of joint working group sessions on this issue; India objects to Pakistan ceding lands to China in 1965 boundary agreement that India believes are part of disputed Kashmir; China, as well as Taiwan, claims Japanese-administered Senkaku-shoto (Diaoyu Tai) islands; negotiations with Tajikistan resolved the longstanding boundary dispute; China and Kazakhstan have resolved their border dispute and are working to delimit their large open borders to control population migration, illegal activities, and trade; Kyrgyzstan's constitutional court rules that 1,270 sq km ceded to China in 2000 delimitation agreement were legally transferred; certain islands in Yalu and Tumen rivers are in uncontested dispute with North Korea and a section of boundary around Mount Paektu is indefinite - China objects to illegal migration of North Koreans into northern China; China continues to seek a mutually acceptable solution to the disputed alluvial islands with Russia at the confluence of the Amur and Ussuri rivers and a small island on the Argun river as part of the 2001 Treaty of Good Neighborliness, Friendship, and Cooperation; boundary agreements signed in 2002 with Tajikistan cedes 1,000 sq km of Pamir Mountain range to China in return for China's relinquishing claims to 28,000 sq km; demarcation of land boundary with Vietnam continues but maritime boundary and joint fishing zone agreement remains unratified; China occupies Paracel Islands also claimed by Vietnam and Taiwan
Christmas Island none
Clipperton Island none
Cocos (Keeling) Islands none
Colombia Nicaragua filed a claim against Honduras in 1999 and against Colombia in 2001 at the ICJ over disputed maritime boundary involving 50,000 sq km in the Caribbean Sea, including the Archipelago de San Andres y Providencia and Quita Sueno Bank; maritime boundary dispute with Venezuela in the Gulf of Venezuela; Colombian drug activities penetrate Peruvian border area
Comoros claims French-administered Mayotte
Congo, Democratic Republic of the Democratic Republic of the Congo is in the grip of a civil war that has drawn in military forces from neighboring states, with Uganda and Rwanda supporting the rebel movements that occupy much of the eastern portion of the state - Tutsi, Hutu, Lendu, Hema and other conflicting ethnic groups, political rebels, and various government forces continue fighting in Great Lakes region, transcending the boundaries of Burundi, Democratic Republic of the Congo, Rwanda, and Uganda - heads of the Great Lakes states pledge to end conflict, but localized violence continues despite UN peacekeeping efforts; most of the Congo River boundary with the Republic of the Congo is indefinite (no agreement has been reached on the division of the river or its islands, except in the Pool Malebo/Stanley Pool area)
Congo, Republic of the most of the Congo River boundary with the Democratic Republic of the Congo is indefinite (no agreement has been reached on the division of the river or its islands, except in the Stanley Pool/Pool Malebo area)
Cook Islands none
Coral Sea Islands none
Costa Rica legal dispute over navigational rights of Rio San Juan on border with Nicaragua
Cote d'Ivoire rebel fighting extended to neighboring states and has driven out nationals and foreign workers to nearby countries; the Ivorian Government accuses Burkina Faso and Liberia of supporting Ivorian rebels
Croatia discussions continue with Bosnia and Herzegovina on sections of the Una River and villages at the base of Mount Pljesevica; parliamentarians are far from ratifying the Croatia-Slovenia land and maritime boundary agreement, which would have ceded most of Pirin Bay and maritime access to Slovenia and several villages to Croatia; in late 2002, Croatia and Serbia and Montenegro adopted an interim agreement to settle the disputed Prevlaka Peninsula, allowing the withdrawal of the UN monitoring mission (UNMOP), but discussions could be complicated by the inability of Serbia and Montenegro to come to an agreement on the economic aspects of the new federal union; Croatia and Italy continue to debate bilateral property and ethnic minority rights issues stemming from border changes after the Second World War
Cuba US Naval Base at Guantanamo Bay is leased to US and only mutual agreement or US abandonment of the area can terminate the lease
Cyprus hostilities in 1974 divided the island into two de facto autonomous areas, a Greek Cypriot area controlled by the internationally recognized Cypriot Government and a Turkish-Cypriot area, separated by a UN buffer zone; UN deadline on sides accepting a federation plan for reunification have expired, diminishing chances of Turkish-Cypriot participation in EU membership in 2004
Czech Republic Liechtenstein's royal family claims restitution for 1,600 sq km of land in the Czech Republic confiscated in 1918; individual Sudeten German claims for restitution of property confiscated in connection with their expulsion after World War II; Austria has minor dispute with Czech Republic over the Temelin nuclear power plant and post-World War II treatment of German-speaking minorities
Denmark Rockall continental shelf dispute involving Denmark, Iceland, and the UK (Ireland and the UK have signed a boundary agreement in the Rockall area); dispute with Iceland over the Faroe Islands' fisheries median line boundary within 200 NM; disputes with Iceland, the UK, and Ireland over the Faroe Islands continental shelf boundary outside 200 NM; Faroese are considering proposals for full independence; uncontested dispute with Canada over Hans Island sovereignty in the Kennedy Channel between Ellesmere Island and Greenland
Djibouti Djibouti maintains economic ties and border accords with "Somaliland" leadership while maintaining some political ties to various factions in Somalia including the Somali Transitional National Government in Mogadishu
Dominica protests Venezuela's claim to give full effect to Aves Island, which creates a Venezuelan EEZ/continental shelf extending over a large portion of the Caribbean Sea
Dominican Republic despite efforts to control illegal migration, destitute Haitians continue to cross into the Dominican Republic
East Timor East Timor-Indonesia Boundary Committee meets regularly to survey and delimit the land boundary; some East Timor refugees delay return from camps in Indonesia; maritime delimitation and resource-sharing agreements signed with Australia resolved dispute over "Timor Gap" hydrocarbon reserves, but maritime agreement with Indonesia awaits further discussions
Ecuador none
Egypt Egypt and Sudan retain claims to administer the triangular areas that extend north and south of the 1899 Treaty boundary along the 22nd Parallel, but have withdrawn their military presence - Egypt is economically developing the "Hala'ib triangle" north of the Treaty line
El Salvador in 1992, the ICJ ruled on the delimitation of "bolsones" (disputed areas) along the El Salvador-Honduras boundary, but they remain largely undemarcated; in 2002, El Salvador filed an application to the ICJ to revise the decision on a section of bolsones; the ICJ also advised a tripartite resolution to a maritime boundary in the Golfo de Fonseca with consideration of Honduran access to the Pacific; El Salvador claims tiny Conejo Island, not mentioned by the ICJ, off Honduras in the Golfo de Fonseca
Equatorial Guinea in 2002, ICJ ruled on an equidistance settlement of Cameroon-Equatorial Guinea-Nigeria maritime boundary in the Gulf of Guinea, but states have not yet agreed to abide by the decision; creation of a maritime boundary in hydrocarbon-rich Corisco Bay with Gabon is hampered by dispute over small islets on Mbane/Mbagne bank, administered and occupied by Gabon since the 1970s
Eritrea Eritrea and Ethiopia agreed to abide by 2002 independent boundary commission delimitation decision, but demarcation, scheduled to begin in 2003, has been hampered by technical delays and Ethiopian concerns that the decision ignored "human geography" and awarded Badme, the focus of the 1998-2000 war, to Eritrea, demarcation of the boundary has been postponed indefinately; UN Peacekeeping Mission to Ethiopia and Eritrea (UNMEE) monitors a 25 km wide Temporary Security Zone in Eritrea until the demarcation; Sudan accuses Eritrea of supporting Sudanese rebel groups; Eritrea protests Yemeni fishing around the Hanish Islands awarded to Eritrea by the ICJ in 1999
Estonia Russia continues to reject signing and ratifying the joint December 1996 technical border agreement with Estonia
Ethiopia Eritrea and Ethiopia agreed to abide by 2002 independent boundary commission delimitation decision, but demarcation, scheduled to begin in 2003, has been hampered by technical delays and Ethiopian concerns that the decision ignored "human geography" and awarded Badme, the focus of the 1998-2000 war, to Eritrea, demarcation of the boundary has been postponed indefinately; Ethiopia maintains only an administrative line and no international border with the Oromo region of southern Somalia and maintains alliances with local clans in opposition to the Transitional National Government in Mogadishu; "Somaliland" secessionists provide port facilities and trade ties to land-locked Ethiopia; efforts to demarcate the porous boundary with Sudan have been delayed by civil war there
Europa Island claimed by Madagascar
Falkland Islands (Islas Malvinas) claimed by Argentina whose forces briefly occupied it in 1982, but now declares it will no longer seek settlement by force
Faroe Islands Faroese are considering proposals for full independence; Denmark dispute with Iceland over the Faroe Islands fisheries median line boundary of 200 NM; Denmark disputes with Iceland, the UK, and Ireland over the Faroe Islands continental shelf boundary outside 200 NM
Fiji none
Finland none
France Madagascar claims Bassas da India, Europa Island, Glorioso Islands, and Juan de Nova Island; Comoros claims Mayotte; Mauritius claims Tromelin Island; territorial dispute between Suriname and French Guiana; territorial claim in Antarctica (Adelie Land); Matthew and Hunter Islands, east of New Caledonia, claimed by France and Vanuatu
French Guiana Suriname claims area between Riviere Litani and Riviere Marouini (both headwaters of the Lawa)
French Polynesia none
French Southern and Antarctic Lands "Adelie Land" claim in Antarctica is not recognized by the US
Gabon creation of a maritime boundary in hydrocarbon-rich Corisco Bay with Equatorial Guinea is hampered by dispute over small islets on Mbane/Mbagne bank, administered and occupied by Gabon since the 1970s
Gambia, The none
Gaza Strip West Bank and Gaza Strip are Israeli-occupied with current status subject to the Israeli-Palestinian Interim Agreement - permanent status to be determined through further negotiation
Georgia boundary with Russia has been largely delimited, but not demarcated with several small, strategic segments remaining in dispute and OSCE observers monitoring volatile areas such as the Pankisi Gorge in the Akhmeti region and the Argun Gorge in Abkhazia; Meshkheti Turks scattered throughout the former Soviet Union seek to return to Georgia; ethnic Armenian groups in Javakheti region of Georgia seek greater autonomy, closer ties with Armenia
Germany none
Ghana Ghana has received many refugees and returning nationals escaping rebel fighting in Cote d'Ivoire
Gibraltar Gibraltar residents vote overwhelmingly in referendum against "total shared sovereignty" arrangement worked out between Spain and UK to change 300-year rule over colony
Glorioso Islands claimed by Madagascar
Greece Greece and Turkey have resumed discussions to resolve their complex maritime, air, territorial, and boundary disputes in the Aegean Sea; Cyprus question with Turkey; dispute with The Former Yugoslav Republic of Macedonia over its name
Greenland uncontested dispute between Canada and Denmark over Hans Island in the Kennedy Channel between Ellesmere Island and Greenland
Grenada none
Guadeloupe none
Guam none
Guatemala Guatemalan squatters continue to settle in Belize border region; OAS brokered Differendum in 2002 creating small adjustment to land boundary, large Guatemalan maritime corridor in Caribbean, joint ecological park for disputed Sapodilla Cays, and substantial US-UK financial package, but agreement was not brought to popular referendum leaving Guatemalan claim to southern half of Belize intact
Guernsey none
Guinea domestic fighting among disparate rebel groups in Guinea, Liberia, and Sierra Leone have created skirmishes, deaths, and refugees in border areas
Guinea-Bissau separatist war in Senegal's Casamance region results in refugees and cross-border raids, arms smuggling and other illegal activities, and political instability in Guinea-Bissau
Guyana all of the area west of the Essequibo (river) claimed by Venezuela; Suriname claims area between New (Upper Courantyne) and Courantyne/Kutari [Koetari] rivers (all headwaters of the Courantyne); territorial sea boundary with Suriname is in dispute
Haiti despite efforts to control illegal migration, destitute Haitians continue to cross into Dominican Republic; claims US-administered Navassa Island
Heard Island and McDonald Islands none
Holy See (Vatican City) none
Honduras in 1992, ICJ ruled on the delimitation of "bolsones" (disputed areas) along the El Salvador-Honduras border, but they still remain largely undemarcated; in 2002, El Salvador filed an application to the ICJ to revise the decision on a section of bolsones; the ICJ also advised a tripartite resolution to a maritime boundary in the Golfo de Fonseca with consideration of Honduran access to the Pacific; El Salvador claims tiny Conejo Island, not mentioned by the ICJ, off Honduras in the Golfo de Fonseca; Honduras claims Sapodilla Cays off the coast of Belize but agreed to creation of a joint ecological park and Guatemalan corridor in the Caribbean in the 2002 Belize-Guatemala Differendum; Nicaragua filed a claim against Honduras in 1999 and against Colombia in 2001 at the ICJ over a complex maritime dispute in the Caribbean Sea
Hong Kong none
Howland Island none
Hungary Hungary has yet to amend status law extending special social and cultural benefits to ethnic Hungarians in neighboring states, who protest the law
Iceland Rockall continental shelf dispute involving Denmark, Iceland, and the UK (Ireland and the UK have signed a boundary agreement in the Rockall area); dispute with Denmark over the Faroe Islands' fisheries median line boundary within 200 NM; disputes with Denmark, the UK, and Ireland over the Faroe Islands continental shelf boundary outside 200 NM
India much of the rugged, militarized boundary with China is in dispute, but the two sides have participated in more than 13 rounds of joint working group sessions on this issue; India objects to Pakistan ceding lands to China in 1965 boundary agreement that India believes are part of disputed Kashmir; with Pakistan, armed stand-off over the status and sovereignty of Kashmir continues; disputes with Pakistan over Indus River water sharing and the terminus of the Rann of Kutch, which prevents maritime boundary delimitation; Joint Border Committee with Nepal continues to work on resolution of disputed boundary sections; dispute with Bangladesh over New Moore/South Talpatty Island in the Bay of Bengal prevents maritime boundary delimitation
Indian Ocean some maritime disputes (see littoral states)
Indonesia East Timor-Indonesia Boundary Committee continues to meet regularly to survey and delimit land boundary; East Timor refugees delay return from camps in Indonesia; maritime delimitations with Australia and East Timor await further discussions; ICJ awarded Sipadan and Ligitan islands to Malaysia in 2002; Indonesian secessionists, squatters and illegal migrants create repatriation problems for Papua New Guinea
Iran Iran protests Afghanistan's limiting flow of dammed waters on Helmand River tributaries in response to prolonged drought in region; thousands of Afghan refugees still reside in Iran; despite restored diplomatic relations in 1990, disputes with Iraq over maritime and land boundaries, navigation channel, and other issues from eight-year war persist; UAE engage direct talks and Arab League support to resolve disputes over Iran's occupation of Tunb Islands and Abu Musa Island; Iran insists on division of the Caspian Sea into five equal sectors, while other littoral states have generally agreed to equidistant seabed boundaries - Iran has threatened Azerbaijanian hydrocarbon exploration in disputed waters
Iraq despite restored diplomatic relations in 1990, disputes with Iran over maritime and land boundaries, navigation channel, and other issues from eight-year war persist; land and Shatt al Arab boundary demarcation put an end to claims to Kuwait and to Bubiyan and Warbah islands, but no maritime boundary exists with Kuwait in the Persian Gulf; Iraq protests Turkey's hydrological projects to regulate the Tigris and Euphrates rivers upstream
Ireland disputes with Iceland, Denmark, and the UK over the Faroe Islands continental shelf boundary outside 200 NM
Israel West Bank and Gaza Strip are Israeli-occupied with current status subject to the Israeli-Palestinian Interim Agreement - permanent status to be determined through further negotiation; Golan Heights is Israeli-occupied (Lebanon claims the Shab'a Farms area of Golan Heights)
Italy Croatia and Italy continue to debate bilateral property and ethnic minority rights issues stemming from border changes after the Second World War
Jamaica none
Jan Mayen none
Japan islands of Etorofu, Kunashiri, and Shikotan, and the Habomai group occupied by the Soviet Union in 1945, now administered by Russia, claimed by Japan; Liancourt Rocks (Take-shima/Tok-do) disputed with South Korea; Senkaku Islands (Diaoyu Tai) claimed by China and Taiwan
Jarvis Island none
Jersey none
Johnston Atoll none
Jordan none
Juan de Nova Island claimed by Madagascar
Kazakhstan Kazakhstan and China have resolved their border dispute and are working to delimit their large open borders to control population migration, illegal activities, and trade; delimitation of boundary with Russia is scheduled for completion in 2003 - delimitations with Turkmenistan and Uzbekistan are complete with demarcations underway - delimitation with Kyrgyzstan is largely complete; equidistant seabed treaties have been signed with Azerbaijan and Russia in the Caspian Sea but no resolution has been made on dividing the water column among any of the littoral states; no resolution of Caspian seabed boundary with Turkmenistan
Kenya Kenya's administrative boundary still extends into the Sudan, creating the "Ilemi triangle"
Kingman Reef none
Kiribati none
Korea, North with China, certain islands in Yalu and Tumen rivers are in uncontested dispute; a section of boundary around Paektu-san (mountain) is indefinite; China objects to illegal migration of North Koreans into northern China; Military Demarcation Line within the 4-km wide Demilitarized Zone has separated North from South Korea since 1953
Korea, South Military Demarcation Line within the 4-km wide Demilitarized Zone has separated North from South Korea since 1953; Liancourt Rocks (Take-shima/Tok-do) are disputed with Japan
Kuwait the Kuwait 1994 land and Khawr 'Abd Allah channel boundary demarcation ended Iraqi claims to Kuwait and Bubiyan and Warbah islands; Kuwait and Saudi Arabia are negotiating maritime boundary with Iran
Kyrgyzstan Kyrgyzstan's constitutional court has ruled that 1,270 sq km ceded to China in a 2000 delimitation agreement were legally transferred; delimitation with Kazakhstan is largely complete with only minor disputed areas; disputes in Isfara Valley delay completion of delimitation with Tajikistan; serious disputes with Uzbekistan around Uzbek enclaves mar progress on delimitation efforts
Laos demarcation of boundaries with Cambodia, Thailand, and Vietnam is nearing completion, but with Thailand several areas including Mekong River islets remain in dispute; ongoing disputes with Thailand and Vietnam over squatters
Latvia the Russian Duma refuses to ratify boundary delimitation treaty with Latvia; the Latvian Parliament has not ratified its 1998 maritime boundary treaty with Lithuania, primarily due to concerns over oil exploration rights
Lebanon Syrian troops in central and eastern Lebanon since October 1976; Lebanese Government claims Shab'a Farms area of Israeli-occupied Golan Heights
Lesotho none
Liberia rebels and refugees contribute to border instabilities with Sierra Leone, Cote d'Ivoire, and Guinea; the Ivorian Government accuses Liberia of supporting Ivorian rebels
Libya Libya has claimed more than 32,000 sq km in southeastern Algeria and about 25,000 sq km in Niger in currently dormant disputes; various Chadian rebels from the Aozou region reside in southern Libya
Liechtenstein Liechtenstein's royal family claims restitution for 1,600 sq km of land in the Czech Republic confiscated in 1918
Lithuania in May 2003, the Russian Parliament ratified a 1997 land and maritime boundary treaty with Lithuania, which had ratified the treaty in 1999, legalizing limits of former Soviet republic borders; the Latvian Parliament has not ratified its 1998 maritime boundary treaty with Lithuania, primarily due to concerns over oil exploration rights; discussions are still ongoing among Russia, Lithuania, and the EU concerning a simplified transit document for residents of the Kaliningrad coastal exclave to transit through Lithuania to Russia
Luxembourg none
Macau none
Macedonia, The Former Yugoslav Republic of the Albanian government calls for the protection of the rights of ethnic Albanians in F.Y.R.O.M. while continuing to seek regional cooperation; ethnic Albanians in Kosovo continue to protest 2000 F.Y.R.O.M.-Serbia and Montenegro boundary treaty, which transfers small tracts of land to F.Y.R.O.M.; dispute with Greece over country's name persists
Madagascar claims Bassas da India, Europa Island, Glorioso Islands, and Juan de Nova Island (all administered by France)
Malawi dispute with Tanzania over the boundary in Lake Nyasa (Lake Malawi) and the meandering Songwe River remain dormant
Malaysia involved in complex dispute over Spratly Islands with China, Philippines, Taiwan, Vietnam and possibly Brunei; claimants in November 2002 signed the "Declaration on the Conduct of Parties in the South China Sea," a mechanism to ease tension but which fell short of a legally binding "code of conduct"; disputes over deliveries of fresh water to Singapore, Singapore's land reclamation on Johor, maritime boundaries, and Singapore-occupied Pedra Branca Island/Pulau Batu Putih persist - parties agree to ICJ arbitration on island dispute within three years; ICJ awarded Ligitan and Sipadan islands off the coast of Sabah, also claimed by Indonesia and Philippines, to Malaysia; a small section of the Malaysia-Thailand boundary in the Kolok River remains in dispute
Maldives none
Mali armed bandits based in Mali attack southern Algerian towns
Malta none
Man, Isle of none
Marshall Islands claims US territory of Wake Island
Martinique none
Mauritania Mauritanian claims to Western Sahara have been dormant in recent years
Mauritius Mauritius claims the Chagos Archipelago (UK-administered British Indian Ocean Territory), and its former inhabitants, who reside chiefly in Mauritius, but were granted UK citizenship and the right to repatriation in 2001; claims French-administered Tromelin Island
Mayotte claimed by Comoros
Mexico prolonged regional drought in the border region with the US has strained water-sharing arrangements
Micronesia, Federated States of none
Midway Islands none
Moldova difficulties with the Transnistria region complicate border crossing and customs with Ukraine, facilitating smuggling, arms transfers, and other illegal activities
Monaco none
Mongolia none
Montserrat none
Morocco claims and administers Western Sahara, but sovereignty remains unresolved - UN-administered cease-fire has remained in effect since September 1991, but attempts to hold a referendum have failed and parties thus far have rejected other proposals; Morocco protests Spain's control over the coastal enclaves of Ceuta, Melilla, and Penon de Velez de la Gomera, the islands of Penon de Alhucemas and Islas Chafarinas, and surrounding waters; Morocco also rejected Spain's unilateral designation of a median line from the Canary Islands in 2002 to set limits to undersea resource exploration and refugee interdiction; Morocco allowed Spanish fishermen to fish temporarily off the coast of Western Sahara after an oil spill soiled Spanish fishing grounds
Mozambique none
Namibia commission established with Botswana to resolve small residual disputes along the Caprivi Strip, including the Situngu marshlands along the Linyanti River; Botswana residents protest Namibia's planned construction of the Okavango hydroelectric dam on Popa Falls; managed dispute with South Africa over the location of the boundary in the Orange River; dormant dispute remains where Botswana, Namibia, Zambia, and Zimbabwe boundaries converge; Angolan rebels and refugees still reside in Namibia
Nauru none
Navassa Island claimed by Haiti
Nepal joint border commission continues to work on small disputed sections of boundary with India; India has instituted a stricter border regime to restrict transit of Maoist insurgents
Netherlands none
Netherlands Antilles none
New Caledonia Matthew and Hunter Islands east of New Caledonia claimed by France and Vanuatu
New Zealand territorial claim in Antarctica (Ross Dependency)
Nicaragua territorial disputes with Colombia over the Archipelago de San Andres y Providencia and Quita Sueno Bank region; with respect to the maritime boundary question in the Golfo de Fonseca, the ICJ referred to the line determined by the 1900 Honduras-Nicaragua Mixed Boundary Commission and advised that some tripartite resolution among El Salvador, Honduras, and Nicaragua likely would be required; legal dispute over navigational rights of San Juan River on border with Costa Rica
Niger Libya claims about 25,000 sq km in a currently dormant dispute; much of Benin-Niger boundary, including tripoint with Nigeria, remains undemarcated but states accept 2001 arbitration over disputed Niger River islands; Lake Chad Commission continues to urge signatories Cameroon, Chad, Niger, and Nigeria to ratify delimitation treaty over the lake region, which remains the site of armed clashes among local populations and militias
Nigeria ICJ ruled in 2002 on the Cameroon-Nigeria land and maritime boundary by awarding the potentially petroleum-rich Bakassi Peninsula and offshore region to Cameroon; Nigeria rejected the cession of the peninsula but the parties formed a Joint Border Commission to peaceably resolve the dispute and commence with demarcation in other less-contested sections of the boundary; several villages along the Okpara River are in dispute with Benin; Lake Chad Commission continues to urge signatories Cameroon, Chad, Niger, and Nigeria to ratify delimitation treaty over lake region, which remains the site of armed clashes among local populations and militias; Nigeria agreed to ratify the treaty and relinquish sovereignty of disputed lands to Cameroon by December 2003
Niue none
Norfolk Island none
Northern Mariana Islands none
Norway Norway asserts a territorial claim in Antarctica (Queen Maud Land and its continental shelf); despite recent discussions, Russia and Norway continue to dispute their maritime limits in the Barents Sea and Russia's fishing rights beyond Svalbard's territorial limits within the Svalbard Treaty zone
Oman boundary agreement signed and ratified with UAE in 2003 for entire border, including Oman's Musandam Peninsula and Al Madhah enclaves
Pacific Ocean some maritime disputes (see littoral states)
Pakistan thousands of Afghan refugees still reside in Pakistan; isolating terrain and close ties among Pashtuns in Pakistan make cross-border activities difficult to control; armed stand-off with India over the status and sovereignty of Kashmir continues - India objects to Pakistan ceding lands to China in 1965 boundary agreement that India believes are part of disputed Kashmir; disputes with India over Indus River water sharing and the terminus of the Rann of Kutch, which prevents maritime boundary delimitation
Palau none
Palmyra Atoll none
Panama none
Papua New Guinea Indonesian secessionists, squatters, and illegal migrants create repatriation problems for Papua New Guinea
Paracel Islands occupied by China, but claimed by Taiwan and Vietnam
Paraguay unruly region at convergence of Argentina-Brazil-Paraguay borders is locus of money laundering, smuggling, arms and drug trafficking, and harbors Islamist militants
Peru Bolivia continues to press Chile and Peru to restore the Atacama corridor ceded to Chile in 1884
Philippines involved in complex dispute over Spratly Islands with China, Malaysia, Taiwan, Vietnam and possibly Brunei; claimants in November 2002 signed the "Declaration on the Conduct of Parties in the South China Sea", a mechanism to ease tension but which fell short of a legally binding "code of conduct"; Sultanate of Sulu granted Philippines Government power of attorney to pursue its sovereignty claim over Malaysia's Sabah State but Malaysia rejects claim
Pitcairn Islands none
Poland small boundary changes made with Slovakia in 2003
Portugal Portugal has periodically reasserted claims to territories around the town of Olivenza, Spain
Puerto Rico none
Qatar none
Reunion none
Romania has not resolved claims to Ukrainian-administered Zmyinyy (Snake) Island and Black Sea maritime boundary despite ongoing talks based on 1997 friendship treaty to find a solution in two years; joint boundary commission is rectifying boundary with Bulgaria based on shifts in Danube since last delimitation in 1920; Hungary has yet to amend status law extending special social and cultural benefits to ethnic Hungarians in Romania, who protest the law
Russia China continues to seek a mutually acceptable solution to the disputed alluvial islands at the confluence of the Amur and Ussuri rivers and a small island on the Argun River as part of the 2001 Treaty of Good Neighborliness, Friendship, and Cooperation; the islands of Etorofu, Kunashiri, Shikotan, and the Habomai group identified by the Russians as the "Southern Kurils" and by Japan as the "Northern Territories" occupied by the Soviet Union in 1945, now administered by Russia, claimed by Japan; boundary with Georgia has been largely delimited but not demarcated with several small, strategic segments remaining in dispute and OSCE observers monitoring volatile areas such as the Pankisi Gorge in the Akhmeti region and the Argun Gorge in Abkhazia; equidistant seabed treaties have been signed with Azerbaijan and Kazakhstan in the Caspian Sea but no resolution on dividing the water column among any of the littoral states; Russia and Norway dispute their maritime limits in the Barents Sea and Russia's fishing rights beyond Svalbard's territorial limits within the Svalbard Treaty zone; Russia continues to reject signing and ratifying the joint 1996 technical border agreement with Estonia; the Russian Parliament refuses to consider ratification of the boundary treaties with Estonia and Latvia, but in May 2003, ratified land and maritime boundary treaty with Lithuania, which ratified the 1997 treaty in 1999, legalizing limits of former Soviet republic borders; discussions are still ongoing among Russia, Lithuania and the EU concerning a simplified transit document for residents of the Kaliningrad coastal exclave to transit through Lithuania to Russia; land delimitation with Ukraine is ratified, but maritime regime of the Sea of Azov and Kerch Strait is unresolved; delimitation with Kazakhstan is scheduled for completion in 2003; Russian Duma has not yet ratified 1990 Maritime Boundary Agreement with the US in the Bering Sea
Rwanda Tutsi, Hutu, and other conflicting ethnic groups, associated political rebels, armed gangs, and various government forces continue fighting in Great Lakes region, transcending the boundaries of Burundi, Democratic Republic of the Congo, Rwanda, and Uganda to gain control over populated areas and natural resources - government heads pledge to end conflicts, but localized violence continues despite UN peacekeeping efforts
Saint Helena none
Saint Kitts and Nevis protests Venezuela's claim to give full effect to Aves Island, which creates a Venezuelan EEZ/continental shelf extending over a large portion of the Caribbean Sea
Saint Lucia protests Venezuela's claim to give full effect to Aves Island, which creates a Venezuelan EEZ/continental shelf extending over a large portion of the Caribbean Sea
Saint Pierre and Miquelon none
Saint Vincent and the Grenadines protests Venezuela's claim to give full effect to Aves Island, which creates a Venezuelan EEZ/continental shelf extending over a large portion of the Caribbean Sea
Samoa none; note - some EEZ demarcations, including the one with American Samoa, are undefined
San Marino none
Sao Tome and Principe none
Saudi Arabia nomadic groups on border region with Yemen resist demarcation of boundary; Kuwait and Saudi Arabia have been negotiating a long-contested maritime boundary with Iran; because the treaties have not been made public, the exact alignment of the boundary with the UAE is still unknown and labeled approximate
Senegal separatist war in Casamance region results in refugees and cross-border raids, arms smuggling, other illegal activities, and political instability in Guinea-Bissau
Serbia and Montenegro the Albanian government calls for the protection of the rights of ethnic Albanians outside its borders in the Kosovo region of Serbia and Montenegro while continuing to seek regional cooperation; several ethnic Albanian groups in Kosovo voice union with Albania; has delimited about half of the boundary with Bosnia and Herzegovina, but sections along the Drina River remain in dispute; in late 2002, Serbia and Montenegro and Croatia adopted an interim agreement to settle the disputed Prevlaka Peninsula, allowing the withdrawal of the UN monitoring mission (UNMOP), but discussions could be complicated by the inability of Serbia and Montenegro to come to an agreement on the economic aspects of the new federal union
Seychelles claims the Chagos Archipelago (UK-administered British Indian Ocean Territory)
Sierra Leone large UN peacekeeping presence ended civil war but rebel gang fighting, ethnic rivalries, illegal diamond trading, corruption, and refugees spill over into neighboring states beset with their own civil disorder, refugees, and violence
Singapore disputes with Malaysia over deliveries of fresh water to Singapore, Singapore's land reclamation works on Johor, maritime boundaries, and Singapore-occupied Pedra Branca Island/Pulau Batu Putih persist - parties agree to ICJ arbitration on island dispute within three years
Slovakia small boundary changes made with Poland in 2003; Hungary has yet to amend status law extending special social and cultural benefits to ethnic Hungarians in Slovakia, who protest the law
Slovenia parliamentarians are far from ratifying the Croatia-Slovenia land and maritime boundary agreement, which would have ceded most of Piran Bay and maritime access to Slovenia and several villages to Croatia
Solomon Islands none
Somalia "Somaliland" secessionists provide port facilities to land-locked Ethiopia and establish commercial ties with regional states; "Puntland" secessionists clash with "Somaliland" secessionists to establish territorial limits and clan loyalties, each seeking support from neighboring states; Ethiopia maintains only an administrative line with the Oromo region of southern Somalia and maintains alliances with local Somali clans opposed to the unrecognized Transitional National Government in Mogadishu
South Africa managed dispute with Namibia over the location of the boundary in the Orange River
South Georgia and the South Sandwich Islands briefly occupied by military force in 1982 - claimed by Argentina in constitution but declares it will no longer seek settlement by force
Southern Ocean Antarctic Treaty defers claims (see Antarctica entry), but Argentina, Australia, Chile, France, NZ, Norway, and UK assert claims (some overlapping), including the continental shelf in the Southern Ocean; several states have expressed an interest in extending those continental shelf claims under the United Nations Convention on the Law of the Sea (LOS) to include undersea ridges; the US and most other states do not recognize the land or maritime claims of other states and have made no claims themselves (the US and Russia have reserved the right to do so); no formal claims have been made in the sector between 90 degrees west and 150 degrees west
Spain Gibraltar residents vote overwhelmingly in referendum against "total shared sovereignty" arrangement worked out between Spain and UK to change 300-year rule over colony; Morocco protests Spain's control over the coastal enclaves of Ceuta, Melilla, and Penon de Velez de la Gomera, the islands of Penon de Alhucemas and Islas Chafarinas, and surrounding waters; Morocco also rejected Spain's unilateral designation of a median line from the Canary Islands in 2002 to set limits to undersea resource exploration and refugee interdiction; Morocco allowed Spanish fishermen to fish temporarily off the coast of Western Sahara after an oil spill soiled Spanish fishing grounds; Portugal has periodically reasserted claims to territories around the town of Olivenza, Spain
Spratly Islands all of the Spratly Islands are claimed by China, Taiwan, and Vietnam; parts of them are claimed by Malaysia and the Philippines; in 1984, Brunei established an exclusive fishing zone that encompasses Louisa Reef in the southern Spratly Islands but has not publicly claimed the island; claimants in November 2002 signed the "Declaration on the Conduct of Parties in the South China Sea", a mechanism to ease tension but which fell short of a legally binding "code of conduct"
Sri Lanka none
Sudan the north-south civil war has drawn Sudan's neighbors into the fighting, sheltering refugees, and infiltration by rebel groups - Kenya and Uganda have acted as mediators; Sudan accuses Eritrea of supporting Sudanese rebel groups; efforts to demarcate the porous boundary with Ethiopia have been delayed by fighting in Sudan; Kenya's administrative boundary still extends into the Sudan, creating the "Ilemi triangle"; Egypt and Sudan retain claims to administer the triangular areas that extend north and south of the 1899 Treaty boundary along the 22nd Parallel, but have withdrawn their military presence; Egypt is economically developing the "Hala'ib triangle"
Suriname area disputed by French Guiana between Riviere Litani and Riviere Marouini (both headwaters of the Lawa); area disputed by Guyana between New (Upper Courantyne) and Courantyne/Koetari [Kutari] rivers (all headwaters of the Courantyne); territorial sea boundary with Guyana is in dispute
Svalbard despite recent discussions, Russia and Norway dispute their maritime limits in the Barents Sea and Russia's fishing rights beyond Svalbard's territorial limits within the Svalbard Treaty zone
Swaziland none
Sweden none
Switzerland none
Syria Golan Heights is Israeli-occupied; Lebanon claims Shaba'a farms in Golan Heights; Syrian troops have been stationed in Lebanon since October 1976; Syria protests Turkish hydrological projects regulating upper Euphrates waters; Turkey is quick to rebuff any perceived Syrian claim to Hatay province
Taiwan involved in complex dispute over the Spratly Islands with China, Malaysia, Philippines, Vietnam, and possibly Brunei; claimants in November 2002 signed the "Declaration on the Conduct of Parties in the South China Sea", a mechanism to ease tension but which fell short of a legally binding "code of conduct"; Paracel Islands occupied by China, but claimed by Taiwan and Vietnam; claims Japanese-administered Senkaku-shoto (Senkaku Islands/Diaoyu Tai), as does China
Tajikistan prolonged regional drought creates water-sharing difficulties for Amu Darya river states; boundary agreements signed in 2002 cede 1,000 sq km of Pamir Mountain range to China in return for China relinquishing claims to 28,000 sq km of Tajikistani lands; negotiations with China resolved the longstanding boundary dispute; talks have begun with Uzbekistan to demine and delimit border; disputes in Isfara Valley delay completion of delimitation with Kyrgyzstan
Tanzania disputes with Malawi over the boundary in Lake Nyasa (Lake Malawi) and the meandering Songwe River remain dormant
Thailand completion of boundary demarcation with Cambodia hampered by accusations of moving and destroying boundary markers, encroachments, initiating border incidents, and sealing off Preah Vihear temple ruins, awarded to Cambodia by ICJ decision in 1962; demarcation complete except for a 1 kilometer segment at the mouth of the Kolok River in dispute with Malaysia; demarcation with Laos complete except for certain Mekong River islets and complaints of Thai squatters; despite continuing border committee talks, significant differences remain with Burma over boundary alignment and the handling of ethnic rebels, refugees, and illegal cross-border activities
Togo in 2001 Benin claimed Togo moved boundary monuments - joint commission presently resurveying the boundary
Tokelau none
Tonga none
Trinidad and Tobago none
Tromelin Island claimed by Mauritius
Tunisia none
Turkey complex maritime, air, and territorial disputes with Greece in the Aegean Sea; Cyprus question remains with Greece; Syria and Iraq protest Turkish hydrological projects to control upper Euphrates waters; Turkey is quick to rebuff any perceived Syrian claim to Hatay province; border with Armenia remains closed over Nagorno-Karabakh
Turkmenistan prolonged regional drought creates water-sharing difficulties for Amu Darya river states; Turkmenistan has not committed to follow either Iran or the other littoral states in the division of the Caspian Sea seabed and water column; ICJ decision expected to resolve dispute with Azerbaijan over sovereignty over Caspian oilfields; demarcation of land boundary with Kazakhstan is underway - maritime boundary not resolved
Turks and Caicos Islands none
Tuvalu none
Uganda Tutsi, Hutu, and other ethnic groups, associated political rebels, armed gangs, and various government forces continue fighting in the Great Lakes region, transcending the boundaries of Burundi, Democratic Republic of the Congo, Rwanda, and Uganda to gain control over populated areas and natural resources; government heads pledge to end conflict, but localized violence continues despite UN peacekeeping efforts; conflict in Sudan has extended rebel forces and refugees into Uganda
Ukraine 1997 boundary treaty with Belarus remains unratified over unresolved financial claims, preventing demarcation and encouraging illegal cross-border activities; land delimitation of boundary with Russia is complete, but maritime regime of the Sea of Azov and Kerch Strait remains unresolved; difficulties in the Transnistria region of Moldova complicate border crossing and customs, facilitating smuggling, arms transfers, and other illegal activities; has not resolved Romanian claims to Ukrainian-administered Zmiyinyy (Snake) Island and Black Sea maritime boundary despite ongoing talks based on 1997 friendship treaty to find a solution in two years
United Arab Emirates because the treaties have not been made public, the exact alignment of the boundary with Saudi Arabia is still unknown and labeled approximate; boundary agreement signed and ratified with Oman in 2003 for entire border, including Oman's Musandam Peninsula and Al Madhah enclaves; UAE engage direct talks and Arab League support to resolve disputes over Iran's occupation of Lesser and Greater Tunb islands and Abu Musa island
United Kingdom Gibraltar residents vote overwhelmingly in referendum against "total shared sovereignty" arrangement worked out between Spain and UK to change 300-year rule over colony; Mauritius and Seychelles claim the Chagos Archipelago (British Indian Ocean Territory) and its former inhabitants, who reside chiefly in Mauritius, but in 2001 were granted UK citizenship and the right to repatriation since eviction in 1965; Argentina claims the Falkland Islands (Islas Malvinas) and South Georgia and the South Sandwich Islands; Rockall continental shelf dispute involving Denmark and Iceland; territorial claim in Antarctica (British Antarctic Territory) overlaps Argentine claim and partially overlaps Chilean claim; disputes with Iceland, Denmark, and Ireland over the Faroe Islands continental shelf boundary outside 200 NM
United States prolonged drought in the Mexico border region has strained water-sharing arrangements; 1990 Maritime Boundary Agreement in the Bering Sea awaits Russian Duma ratification; maritime boundary disputes with Canada at Dixon Entrance, Beaufort Sea, Strait of Juan de Fuca, and around the disputed Machias Seal Island and North Rock; The Bahamas have not been able to agree on a maritime boundary; US Naval Base at Guantanamo Bay is leased from Cuba and only mutual agreement or US abandonment of the area can terminate the lease; Haiti claims Navassa Island; US has made no territorial claim in Antarctica (but has reserved the right to do so) and does not recognize the claims of any other state; Marshall Islands claims Wake Island
Uruguay uncontested dispute with Brazil over certain islands in the Quarai/Cuareim and Invernada streams and the resulting tripoint with Argentina
Uzbekistan prolonged regional drought creates water-sharing difficulties for Amu Darya river states; delimitation with Kazakhstan complete with demarcation underway; serious disputes with Kyrgyzstan around Uzbek enclaves mar progress on delimitation efforts; talks have begun with Tajikistan to determine and delimit border
Vanuatu Matthew and Hunter Islands east of New Caledonia claimed by Vanuatu and France
Venezuela claims all of Guyana west of the Essequibo River; maritime boundary dispute with Colombia in the Gulf of Venezuela and the Caribbean Sea; US, France and the Netherlands recognize Venezuela's claim to give full effect to Aves Island, which creates a Venezuelan EEZ/continental shelf extending over a large portion of the Caribbean Sea; Dominica, Saint Kitts and Nevis, Saint Lucia, and Saint Vincent and the Grenadines protest the claim and other states' recognition of it
Vietnam demarcation of the land boundary with China continues, but maritime boundary and joint fishing zone agreement remains unratified; Cambodia and Laos protest Vietnamese squatters and armed encroachments along border; China occupies Paracel Islands also claimed by Vietnam and Taiwan; involved in a complex dispute over Spratly Islands with China, Malaysia, Philippines, Taiwan, and possibly Brunei; claimants in November 2002 signed the "Declaration on the Conduct of Parties in the South China Sea", a mechanism to ease tension but which fell short of a legally binding "code of conduct"
Virgin Islands none
Wake Island claimed by Marshall Islands
Wallis and Futuna none
West Bank West Bank and Gaza Strip are Israeli-occupied with current status subject to the Israeli-Palestinian Interim Agreement - permanent status to be determined through further negotiation
Western Sahara Morocco claims and administers Western Sahara, but sovereignty remains unresolved; UN-administered cease-fire has remained in effect since September 1991, but attempts to hold a referendum have failed and parties have rejected other proposals; Mauritanian claims to Western Sahara have been dormant in recent years; Morocco allowed Spanish fishermen to fish temporarily off the coast of Western Sahara after an oil spill soiled Spanish fishing grounds
World Globally, there are over 250,000 km of international land boundaries that separate the world's 192 independent states, along with 70 dependencies, areas of special sovereignty, and other miscellaneous entities. Maritime states have claimed limits and have so far established over 130 maritime boundaries and joint development zones to allocate ocean resources and to provide for their national security at sea. On land, ethnicity, culture, race, religion, and language have divided states into separate political entities as much as history, physical terrain, political fiat, or conquest, resulting in sometimes arbitrary and imposed boundaries. All of these factors have contributed to a wide array of boundary, borderland, and territorial disagreements that vary in intensity from unresolved or dormant to outright war. Territorial disputes may evolve from historical and/or cultural animosities, or they may be brought on by resource competition. Ethnic clashes continue to be responsible for territorial fragmentation around the world. Undemarcated, indefinite, porous, and unmanaged boundaries encourage illegal cross-border activities, uncontrolled migration, and political confrontation over boundary allocations. Other sources of contention include the use of water and mineral (especially petroleum) resources, fisheries, dams, and nuclear power plants. Many islands or island groups are also disputed, including those at sea and in streams. Nonetheless, many nations are actively cooperating to clarify, delineate, and demarcate their international borders. The tragic aspect of international discord is the impact on the sustenance and welfare of populations caught in the conflict. It is frequently left to members of the world community to cope with enormous refugee situations, and the resultant hunger, disease, and impoverishment that they create.
Yemen Eritrea protests Yemeni fishing around the Hanish islands awarded to Eritrea by the ICJ in 1999; nomadic groups in border region with Saudi Arabia resist demarcation of boundary
Zambia dormant dispute remains where Botswana, Namibia, Zambia, and Zimbabwe boundaries converge
Zimbabwe dormant dispute remains where Botswana, Namibia, Zambia, and Zimbabwe boundaries converge

This page was last updated on 18 December, 2003
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