London is the capital city
of England and the United Kingdom, and the largest city, urban zone and
metropolitan area in the United Kingdom, and the European Union by most
measures. Located on the River Thames, London has been a major settlement for
two millennia, its history going back to its founding by the Romans, who named
it Londinium. London's ancient core, the City of London, largely retains its
square-mile mediaeval boundaries. Since at least the 19th century, the name
London has also referred to the metropolis developed around this core. The bulk
of this conurbation forms the London region and the Greater London administrative
area, governed by the elected Mayor of London and the London Assembly.
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