Chelsea is a neighborhood on the West Side of the borough of Manhattan in New York City. The district's boundaries are roughly 14th Street to the south, 30th Street to the north, the western boundary of the Ladies' Mile Historic District, which lies between the Avenue of the Americas and Seventh Avenue to the east, and the Hudson River and West Street to the west. To the north of Chelsea is the neighborhood of Hell's Kitchen, also known as "Clinton", to the northeast is the Garment District, to the east are NoMad and the Flatiron District, to the southwest is the Meatpacking District and to the southeast is the West Village.

The western part of Chelsea has become a center of the New York art world, with many art galleries located in both new buildings and rehabilitated warehouses. Most recently, Chelsea has become an alternative shopping destination with Barneys CO-OP - which replaced the much larger original Barneys flagship store - Comme des Garcons, and other boutiques, as well as being adjacent to the Meatpacking Districts Alexander McQueen, Stella McCartney, Christian Louboutin locations. Chelsea Market, on the ground floor of the former Nabisco Building, is a destination for food lovers directly across from Google's New York offices at the full block sized 111 Eighth Avenue which as a major intent point of prensce has attracted many tech firms.

As New York's visual arts community moved from SoHo to West Chelsea in the 1990s, the area bounded by 10th and 11th Avenues and 18th St. and 28th St. has become one of the global centers of contemporary art. The West Chelsea Arts District is home to over 370 art galleries and innumerable artist studios.