New York City worldwide. New York City is situated in the Northeastern United States, in southeastern New York State, approximately halfway between Washington, D.C. and Boston. The location at the mouth of the Hudson River, which feeds into a naturally sheltered harbor and then into the Atlantic Ocean, has helped the city grow in significance as a trading port. Most of New York City is built on the three islands of Long Island, Manhattan, and Staten Island. The Hudson River flows through the Hudson Valley into New York Bay. Between New York City and Troy, New York, the river is an estuary. The
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