Middlesex, England

Middlesex is one of the 39 traditional Counties of England. It includes the City of London, which was self-governing from the thirteenth century. London's northwestern suburbs steadily covered large parts of Middlesex, especially following the coming of the railways.

The administrative and historic boundaries around Middlesex diverged very early on, with the recognition of the City of London as an independent county borough. In 1888 much of the area became part of the administrative County of London.

In 1965, Middlesex ceased to be an administrative entity. Most of it is currently governed as Greater London except the parish of South Mimms, ceded to administrative Hertfordshire, and Staines, which was ceded to administrative Surrey.

Middlesex as a traditional county still exists, however, and it is certainly still used in postal addresses. See traditional counties of England.

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