Geography of New York City the coast of the Northeastern United States at the mouth of the Hudson River in southeastern New York state. It is located in the New York–New Jersey Harbor Estuary, the centerpiece of which is the New York Harbor, whose deep waters and sheltered bays helped the city grow in significance as a trading city. Much of New York is built on the three islands of Manhattan, Staten Island, and western Long Island, making land scarce and encouraging a high population density. The Hudson River flows from the Hudson Valley into New York Bay, becoming a tidal estuary that separates the
New Jersey is frequently the target of jokes in American culture, especially from New York City-based television shows, such as "Saturday Night Live". Academic Michael Aaron Rockland attributes this to New Yorkers' view that New Jersey is the beginning of Middle America. The New Jersey Turnpike, which runs between two major East Coast cities, New York City and Philadelphia, is also cited as a reason, as people who traverse through the state may only see its industrial zones. Reality television shows like "Jersey Shore" and "The Real Housewives of New Jersey" have reinforced stereotypical views of New Jersey culture, but Rockland cited