Prospect Park is a 585-acre public park in the New York City borough of Brooklyn, and the largest public park in Brooklyn. The park is situated between the neighborhoods of Park Slope, Prospect Lefferts Gardens, Ditmas Park and Windsor Terrace, as well as Flatbush Avenue, Grand Army Plaza and the Brooklyn Botanic Garden. Prospect Park is run and operated by the Prospect Park Alliance and New York City Department of Parks and Recreation. It is part of the Brooklyn-Queens Greenway.