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
Union City, New Jersey the New Jersey Meadowlands. The city is bisected by New Jersey Route 495, a vehicular cut built in conjunction with the Lincoln Tunnel. Soon after its construction, many street names were abandoned in favor of numbering in most of North Hudson starting at 2nd Street, just north of Paterson Plank Road, which runs through the city's only major park and creates its border with Jersey City. 49th Street is the northern boundary with West New York. Apart from a small section between Bergen Turnpike and Weehawken Cemetery, Kennedy Boulevard, a major north-south thoroughfare, creates the western border with North Bergen.