London is the capital and biggest city of the United Kingdom. The area of London is approximately 607 square miles. It is the largest metropolitan area with a population of 7,172,000 as per the latest census (2001). The main language spoken in London is English (British English) and also more than 300 languages are spoken within its boundaries.
London is a major tourist destination and an international transport hub. Thames is the biggest river in London. In Western Europe, London is the most populous city and the residents of London are referred to as Londoners. London also has a strong governmental function as it is the home of the UK's parliament.