The City of London is a small, historic area in central London, England, known as the financial heart of the country. It covers about 1.12 square miles and is home to many important institutions, including the Bank of England and the London Stock Exchange. The City has a rich history dating back to Roman times, featuring landmarks like St. Paul's Cathedral and the Tower of London. Despite its small size, the City of London is a bustling hub for business and commerce, attracting companies from around the world. It operates under its own local authority, the City of London Corporation, which manages various services and regulations within the area.