() is a borough in Bergen County, New Jersey, United States. As of the 2000 Census, the borough population was 13,806. Tenafly is an affluent New York City suburb.
The first to settle in Tenafly were the Dutch in the late 1600s. The name "Tenafly" is derived from the Dutch words "Tiene Vly" or "Ten Swamps" which was given by Dutch settlers in 1688.
Tenafly was incorporated as a borough on January 24, 1894, under an Act of the New Jersey Legislature from portions of the now-defunct Palisades Township, based on the results of a referendum held the previous day, at the height of the
magazine ranked Tenafly as the 65th best place to live in New Jersey in its 2008 rankings of the "Best Places To Live" in New Jersey.
According to the United States Census Bureau, the borough has a total area of 5.2 square miles (13.5 km
The eastern half of the town is known as the "East Hill" for its higher elevation in relation to the rest of the borough. The terrain rises rapidly to the east of the downtown area, ending at the spectacular New Jersey Palisades, overlooking the Hudson River. The Tenafly Nature Center is located at 313 Hudson Avenue.