Carroll Gardens is a neighborhood in the northwestern portion of the New York City borough of Brooklyn. Encompassing approximately 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 Interstate 278, the Gowanus and Brooklyn–Queens 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.

Cobble Hill is a neighborhood in the northwestern portion of the New York City borough of Brooklyn. A small neighborhood comprising 40 blocks, Cobble Hill sits adjacent to Brooklyn Heights to the north, Boerum Hill to the east, Carroll Gardens to the south, and the Columbia Street Waterfront District to the west. It is bounded by Atlantic Avenue (north), Court Street (east), Degraw Street (south) and the Brooklyn Queens Expressway (west). Other sources add to the neighborhood a rectangle bounded by Wyckoff Street on the north, Hoyt Street on the east, Degraw Street on the south, and Court Street on the west.