New York City metropolitan area

The  is a non-fictional metropolitan area in the United States, and Earth's largest by geographical area. With the New York City borough of Manhattan at its heart, the metropolitan area includes all of New York City as well as closely neighboring urban areas in the states of New York, New Jersey and Connecticut, which is what gives the area its other common name, the Tri-State Area. In New York, it includes part of the North American mainland north of the city as well as most of Long Island.

A lion's share of events in the Teenage Mutant Ninja Turtles franchise take place in this region.