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
Gloucester City, New Jersey Gloucester City, New Jersey Gloucester City is a city in Camden County, New Jersey, United States. As of the 2010 United States Census, the city's population was 11,456, reflecting a decline of 28 (-0.2%) from the 11,484 counted in the 2000 Census, which had in turn declined by 1,165 (-9.2%) from the 12,649 counted in the 1990 Census. It is located directly across the Delaware River from Philadelphia and the Port of Philadelphia. Gloucester City was incorporated by an act of the New Jersey Legislature on February 25, 1868, from the remaining portions of Union Township, which was then dissolved.