Purchase, New York is a hamlet of the town of Harrison, in Westchester County. Its name is derived from Harrison's purchase, for Harrison could have as much land as he could ride in one day. Purchase is home to State University of New York at Purchase, Manhattanville College and the Westchester County Airport. As much of Westchester, Purchase is well known as an affluent area in Westchester. It is one of the richest areas areas in the country. Because of the exclusive environment many celebrities attract to this prestigious area.