London is the capital city of the United Kingdom located in southern England on the island of Britain. As one of the largest cities in Europe, London comprises 32 districts and its ancient central district, the City of London, still maintains its medieval boundaries. Some of London's most popular tourist sites include Big Ben, the London Eye, Piccadilly Circus, Covent Garden, Trafalgar Square, St. Paul's Cathedral, Buckingham Palace, and Kensington Palace.
1. LONDON London is the capital of the United Kingdom and England and de facto one of the largest cities of Europe. It lies south of the island of Britain. London City and comprises 32 districts. The heart of the city, the ancient City of London, still retains its medieval boundaries.