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
Wellsville (village), New York is on the mainline of the Western New York and Pennsylvania Railroad. The Genesee River flows through the village. New York State Route 19, running north and south, intersects New York State Route 417 north and south of the center of town, with the two highways running together between the two intersections, parallel to Main Street. Route 417 from the east comes upstream having followed the tributaries of the Susquehanna River, the Chemung and the Canisteo. After passing through Wellsville, Route 417 quickly begins a downhill descent to the west on the Allegheny River, through its tributary in Bolivar, Dodge