Flatbush is a neighborhood in the New York City borough of Brooklyn. The neighborhood consists of several subsections in central Brooklyn and is generally bounded by Prospect Park to the north, East Flatbush to the east, Midwood to the south, and Kensington and Parkville to the west. The modern neighborhood includes or borders several institutions of note…Flatbush is a neighborhood in the New York City borough of Brooklyn. The neighborhood consists of several subsections in central Brooklyn and is generally bounded by Prospect Park to the north, East Flatbush to the east, Midwood to the south, and Kensington and Parkville to the west. The modern neighborhood includes or borders several institutions of note, including Brooklyn College.