Carroll Gardens is a neighborhood in the New York City borough of Brooklyn. Taking up around 40 city blocks, it is bounded by Degraw and Warren Streets (north), Hoyt and Smith Streets (east), Ninth Street or the Gowanus Expressway (south) and the Brooklyn Queens (BQE) and Gowanus Expressways (west). The neighborhoods that surround it are Cobble Hill to the northwest, Boerum Hill to the northeast, Gowanus to the east, Red Hook to the south and southwest, and the Columbia Street Waterfront District to the west.