London

London is the of and the largest in the United Kingdom. For two millennia, it has been an important community on the Thames in - , at the head of a 50-mile (80-kilometer) estuary down to the . The old center and financial centre of London, the of London, was founded by the Romans as Londinium and retains medieval limits. Since the 19th century, “London” has also referred to the metropolis surrounding this core, which was historically divided between the counties of Middlesex, Essex, Surrey, Kent, and Hertfordshire, and which now forms the majority of Greater London, the governed by the Greater London Authority. of London is the of Westminster.

Since the nineteenth century, “London” has also applied to the metropolis around this center, traditionally divided between the counties of Middlesex, Essex, Surrey, Kent, and Hertfordshire, which mostly comprises Greater London, the territory managed by the Greater London Authority. The of Westminster, to the of the , has housed the national and parliament for centuries.