London is a big city in the South-East of England, on the River Thames. It is the capital of England and the United Kingdom. It has a population of about eight million people and is the largest city in The United Kingdom. It is also the largest city in Europe.
London was founded by the Romans over 2000 years ago and was called Londinium which was later shortened to London. For many years, London was a small city and people lived inside the walls that were built by the Romans. This area is still called the City of London. Around the city there were many villages. Gradually, as more and more people came to live there, the villages joined together into one massive city which is now called London or Greater London.
Most people in London are English. However, London also has many people, who come from many different countries, speaking different languages and with different religions and cultures. There are also many professional people from different countries who stay in London on business. Many people also visit London as tourists, to see the famous sights of London which include palaces, churches and museums.