The City of London is a small, historic area in central London, England, known as the financial district. It covers about 1.12 square miles and is home to many major banks, financial institutions, and the London Stock Exchange. The area has a rich history dating back to Roman times and features landmarks like St. Paul's Cathedral and the Tower of London. Despite its small size, the City of London operates as its own entity with a unique local government, the City of London Corporation. This area is distinct from Greater London and is often referred to simply as "the City." It plays a crucial role in the global economy and attracts businesses from around the world.