Geography of New York–New Jersey Harbor Estuary USGS topographic maps. Many jurisdictional issues appear in U.S. law. Bi-state New Jersey New York Inter-state New York New York Bay East River Long Island Sound Bronx County Kings County Jamaica Bay islands New York County Upper Bay islands East River islands Queens County Jamaica Bay islands Richmond County Westchester County New Jersey New York Lower Bay Upper Bay East River Lower Bay Raritan Bay Jamaica Bay Arthur Kill Newark Bay Kill van Kull Upper Bay Hudson River East River One of the many duties of the Port Authority of New York and New Jersey is to develop trade interests
New City, New York CDP/hamlet in the state of New York. New City is the county seat, and most populous community of Rockland County and the location of the Clarkstown Police Department, Sheriff's office and corrections facility. The downtown area is one of the main business districts in the county. The ZIP code of New City is 10956. New City is located at (41.145495, −73.994901). New City is accessible from major Rockland arteries providing rapid access to Bergen County, New Jersey, Westchester County, New York, Manhattan, and the Bronx in New York City. Before the Revolutionary War, the land that would later become known