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
Tuckahoe River (New Jersey) of Atlantic City. The lower form a widening estuary through Great Cedar Swamp downstream from its head of navigation at Tuckahoe. Tuckahoe River (New Jersey) The Tuckahoe River is a blackwater river in southern New Jersey in the United States. One of the few blackwater rivers in the northeastern United States, the river drains an area of the southern Pinelands and empties into the Atlantic Ocean. The Tuckahoe River rises in central Atlantic County, approximately east of Vineland and flows south, then east, forming part of the boundary between Atlantic and Cape May counties, then past Tuckahoe, where it becomes