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
Carrollton, New York dissolve the village in 2009. According to the United States Census Bureau, the town has a total area of , of which is land and , or 0.14%, is water. The Allegheny River flows through the northern portion of the town, from southeast to northwest. Tunungwant Creek (also known as "Tuna Creek" for short) flows south to north through the middle of the town, joining with the Allegheny near Riverside Junction. The south town line is the border of McKean County, Pennsylvania. The Southern Tier Expressway (combined Interstate 86 and New York State Route 17) cross the north part of