The Brooklyn Heights Historic District is a historic district that comprises much of the Brooklyn Heights neighborhood of Brooklyn, New York City. It was named a National Historic Landmark in January, 1965, designated a New York City Landmark in November, 1965, and added to the National Register of Historic Places in October, 1966. The district is bounded by Cadman Plaza West (Old Fulton Street) on the north, the Brooklyn-Queens Expressway on the west, Atlantic Avenue on the south, and an irregular line that partly follows Clinton and Henry Streets on the east.