Sunset Park is a neighborhood in the western section of the New York City borough of Brooklyn, USA. It bounded by 35th Street and Greenwood Heights (referred to as "Greenwood" by Brooklyn Community Board 7 on the north, 9th Avenue, and Borough Park on the east, 65th Street and Bay Ridge on the south and Upper New York Bay on the west. . Sunset Park is patrolled by the NYPD's 72nd  Precinct.

Sunset Park is extensively served by road, rail and ferry service. The neighborhood has access to three limited-access highways; the Gowanus/Interstate 278 and Prospect/NY-27 expressways as well as the Belt Parkway

Six NYCTA bus lines serve Sunset Park: B9, B11, B35, B37, B63, B70.

Three subway lines run through Sunset Park. The BMT Fourth Avenue Line (DMN R has stations at Prospect Avenue, 25th Street, 36th Street, 45th Street 53rd  Street and 59th Street. The BMT West End Line D Mhas a station at Ninth Avenue. The BMT Sea Beach Line N has a station at Eighth Avenue

Freight trains run along the embedded tracks along 1st and 2nd Avenues and on the old Long Island Rail Road Bay Ridge Branch rails which are adjacent to the BMT Sea Beach Line.