The New York Harbor refers to waterways of the estuary near the mouth of the Hudson River that empty into New York Bay and port in New York City and New Jersey. The term is used to refer to the Upper New York Bay. The main port facilities are in Elizabeth, New Jersey and Newark, New Jersey. "New York harbor" sometimes refers to the Port Authority of New York and New Jersey, the port district for New York metropolitan area, under the jurisdiction of the Port Authority.