North Bergen, New Jersey left North Bergen roughly shaped as an inverted "L". Its northern section stretches east-west and is south of the Bergen County communities Cliffside Park, Edgewater, Fairview and Ridgefield. To the east, the Hudson River creates the shared border with the borough of Manhattan in New York City. It shares a border with Carlstadt in the Hackensack River. Its north-south section lies between Secaucus to the west and to the east Guttenberg, West New York and Union City, with which it meets Jersey City at a single point at its southern end. With the separation of Secaucus in 1900, North Bergen
New York (state) arises as a cuesta east of Lake Ontario. "Upstate" and "downstate" are often used informally to distinguish New York City or its greater metropolitan area from the rest of New York State. The placement of a boundary between the two is a matter of great contention. Unofficial and loosely defined regions of Upstate New York include the Southern Tier, which often includes the counties along the border with Pennsylvania, and the North Country, which can mean anything from the strip along the Canada–US border to everything north of the Mohawk River. New York contains a part of the Marcellus shale,