Nauraushaun is a hamlet in the Town of Orangetown, Rockland County, New York, United States, located north of the state of New Jersey, along the northwestern shore of Lake Tappan; east of Chestnut Ridge; south of Pearl River and west of Blauvelt. It derives its name from a creek tributary, which was also known as Nauraushank. For many years the area was called Orangeville. Its location is 41°03′24.98″N 73°59′34.01″W / 41.0569389°N 73.9927806°W