London is the capital and most populous city of England and the United Kingdom. It is on the River Thames in the south east of the island of Great Britain, London has been a major settlement for two millennia. It was founded by the Romans, who named it Londinium. London’s ancient core, the City of London, largely retains its 1.12-square-mile (2.9 km2) medieval boundaries.
London is the leading global city in arts, commerce, finance, fashion, education technology, healthcare, media, transport, tourism, research, and development. London is the global centre for Higher Education and research. According to QS World University Ranking, it has the highest number of international students. It is world’s second most Economical powerful city and has the fifth- or sixth-largest metropolitan area GDP in the world. London is the world's leading investment destination, which hosts the number of international retailers and ultra-high-net-worth individuals. It has world’s largest city Airport System measured by passenger traffic. It is the world’s most visited city measured by international arrivals. London's wetland areas support nationally important populations of many water birds. London is the home for many wildlife reserves, two National Nature Reserves and 76 Local Nature Reserves, and 38 Sites of Special Scientific Interest (SSSIs). In 2012, London turned into the main city to have facilitated the present day Summer Olympic Games three times. London is the largest city in western Europe , and the world's biggest financial centre.
London is also one of the leading global cities in arts, commerce, healthcare, finance, research, fashion, education technology, media, transport, tourism, and development. London is the international centre for Higher Education and research. It has the highest number of international students according to QS World University Ranking. It holds the world’s second most Economical power and has the fifth- or sixth-largest metropolitan area GDP in the world. London is also the world’s greatest investment destination, which hosts a large number of international retailers and ultra-high-net-worth individuals. According to the passenger traffic, London has the world’s largest city Airport System.
London contains four World Heritage Sites: The Tower of London; Kew Gardens; the site comprising the Palace of Westminster, Westminster Abbey, and St Margaret’s Church; and the historic settlement of Greenwich (in which the Royal Observatory, Greenwichdefines the Prime Meridian, 0° longitude, and GMT). Other landmarks include Buckingham Palace, the London Eye, Piccadilly Circus, St Paul’s Cathedral, Tower Bridge, Trafalgar Square and The Shard. London is home to numerous museums, galleries, libraries, sporting events and other cultural institutions, including the British Museum, National Gallery, Natural History Museum, Tate Modern, British Library and West End theatres. The London Underground is the oldest underground railway network in the world.