The City of London, often referred to simply as "the City," is a small area in central London, England. It is known as the financial heart of the country, housing many banks, financial institutions, and the London Stock Exchange. The City covers about 1.12 square miles and has a rich history dating back to Roman times. Despite its small size, the City is home to iconic landmarks such as St. Paul's Cathedral and the Tower of London. It operates as a separate entity from Greater London, with its own local authority known as the City of London Corporation. The area is a blend of modern skyscrapers and historic buildings, attracting both businesses and tourists.