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
North River (New Hampshire) which joins from the west in the center part of Nottingham. North River (New Hampshire) The North River is a long river located in southeastern New Hampshire in the United States. It is a tributary of the Lamprey River, part of the Great Bay and Piscataqua River watershed leading to the Atlantic Ocean. The river begins at the outlet of North River Pond in the northern corner of Nottingham, New Hampshire. It flows southeast through hilly, wooded terrain, crossing the entire town of Nottingham, the southwest corner of Lee, and a northern part of Epping, where it joins the Lamprey.