London is a city in the United Kingdom. It is also the capital of the UK. It is the most populated city of the country. London is located on the famous River Thames in Great Britain. It is a global city in many respects. It leads the world in multiple fields. These may include education, entertainment, healthcare, media, arts, commerce, finance, fashion, professional services and many more. London is also the world cultural capital. The city is also known all over the globe for its multiple UNESCO World Heritage Sites. It attracts tourists from across the globe due to numbers of other tourist attractions.