London, United Kingdom
London is the capital and largest city of England and the United Kingdom. London's diverse cultures encompass over 300 languages. The mid-2018 population of Greater London of about 9 million. London has four World Heritage Sites: the Tower of London; Kew Gardens; the combined Palace of Westminster, Westminster Abbey, and St Margaret's Church; and also the historic settlement in Greenwich, where the Royal Observatory, Greenwich defines the Prime Meridian (0° longitude) and Greenwich Mean Time.
