High Quality Content by WIKIPEDIA articles! The Financial District of New York City (sometimes called FiDi) is a neighborhood on the southernmost section of the borough of Manhattan which comprises the offices and headquarters of many of the city's major financial institutions, including the New York Stock Exchange and the Federal Reserve Bank of New York. The World Trade Center existed in the neighborhood until the September 11 attacks and is currently being rebuilt. The neighborhood roughly overlaps the boundaries of the New Amsterdam settlement in the late 17th century and has a residential population of about 56,000. During the day, the population swells to about 300,000.