Trafalgar Square is a public square in the City of Westminster, London, and has been a significant landmark since the 13th century. London, the capital of England and the United Kingdom, is one of the world's most important global cities. It is also known as one of the most sustainable, innovative, visited and expensive cities globally. London is also one of the largest financial centres. The city is the leading investment destination, and there is also a considerable concentration of higher education institutes. London is home to small and medium-sized private businesses, professional and technical businesses, construction companies and many more.
Service industries, especially financial services, dominate London's economy. London generates around 22% of the UK's GDP. The city produced £503 billion ($690 billion), or around 1/4 of UK GDP in 2019. The robust economic performance of London is driven by complementary strengths, which provide a strong platform for growth and prosperity.
London has excellent public and private transport network, which contributes to the economy. London is well-connected to the other cities in Europe. The city has five major airports - London Heathrow, London Gatwick, London City, London Luton and London Stansted.
The tourism industry also contributes to the economy of London. The city is the world's leading tourism destination that attracts millions of tourists every year. Revenues generated by tourism in London comprise approximately 10% of the city's gross value-added income.