Harrison is located in
Westchester County NE of New Rochelle and west of
Yonkers between Rye and Mamaroneck near
Long Island Sound. It is in the
Southern Region of the state. Harrison benefits from the progressive environment fostered by the State University of
New York at Purchase. The PepsiCo Sculpture Garden, across the street from the universtiy, includes 40 sculptures on 112 acres landscaped by noted garden designer Russell Page.
Harrison is northeast of New York City off I-95. Harrison is part of the New York, New York metro area.