Lights

The New York metropolitan area, often referred to as the Tri-State Area, is the most populous metropolitan area in the United States and is also one of the most populous in the world. The metropolitan area is defined by the Office of Management and Budget as the New York-Northern New Jersey-Long Island, NY-NJ-PA Metropolitan Statistical Area (MSA), with an estimated population of 18,815,988 as of 2007. The MSA is further subdivided into four metropolitan divisions. The 23-county metropolitan area includes ten counties in New York State, including the five boroughs of New York City, the two other counties of Long Island, and three in the lower Hudson Valley, twelve counties in Northern and Central New Jersey, and one county in northeastern Pennsylvania. The largest urbanized area in the United States is at the heart of the metropolitan area, the New York–Newark, NY–NJ–CT Urbanized Area (with a population of 17,799,861 as of the 2000 census).
Based on commuting patterns, the Office of Management and Budget also defines a wider region consisting of the New York metropolitan area plus five adjacent metropolitan areas. The area is known as the New York-Newark-Bridgeport, NY-NJ-CT-PA Combined Statistical Area (CSA), with an estimated population of 21,961,994[1] as of 2007. About one out of every fifteen Americans resides in this region, which includes seven additional counties in New York, New Jersey, and Connecticut, and is often referred to as the Tri-state Area and less commonly