Morningside Heights is a primarily residential neighborhood in the northern section of Manhattan, New York City. One of the three neighborhoods comprising West Harlem, Morningside Heights is bounded by Central Harlem and Morningside Park to the east, at Morningside Drive; Manhattanville to the north, at 125th Street; the Manhattan Valley section of the Upper West Side to the south, at 110th Street; and Riverside Park to the west, at Riverside Drive. The main thoroughfare is Broadway, which runs north–south through the neighborhood.