New Hyde Park, village (1990 pop. 9,728), Nassau co., SE N.Y., on Long Island; inc. 1927. It is a residential community with some manufacturing and truck farms. Nearby is the uninc. town of North New Hyde Park (1990 pop. 14,359).

Hyde Park, town (1990 pop. 21,230), Dutchess co., SE N.Y., on the Hudson River; settled c.1740. It is famous as the site of the Roosevelt estate, where President Franklin D. Roosevelt was born and is buried. The Roosevelt Library (1941) contains historical material dating from 1910 until Roosevelt's death in 1945. Adjacent Val-Kill, an estate used by Eleanor Roosevelt as her personal retreat, was built for her by her husband in 1925. Hyde Park is also the site of the Frederick W. Vanderbilt mansion and two state parks. All three homes are national historic sites (see National Parks and Monuments, table). The Culinary Institute of America is located in the city.

Hyde Park, 615 acres (249 hectares) in Westminster borough, London, England. Once the manor of Hyde, a part of the old Westminster Abbey property, it became a deer park under Henry VIII. Races were held there in the 17th cent. In 1730, Queen Caroline had an artificial lake, the Serpentine, constructed. It curves diagonally through Hyde Park; in Kensington Gardens the lake is called the Long Water. Distinctive features of the park are Hyde Park Corner (near the Marble Arch), the meeting place of soapbox orators; Rotten Row, a famous bridle path; and the oval, streamlike Diana, Princess of Wales Memorial Fountain (near Serpentine Bridge).