The Annex is a residential neighborhood in the city of New Haven, Connecticut. It is located on the eastern side of New Haven Harbor across from Long Wharf. The City of New Haven defines the neighborhood to be the region bounded by Upson Terrace and East Shore Park on the south (border with Morris Cove), the city of East Haven on the east, Warwick Street and East Ferry Street on the northeast (border with Fair Haven Heights), the Quinnipiac River on the northwest, and New Haven Harbor on the west.