Woodbridge Township is a township in northern Middlesex County, in the U.S. state of New Jersey. The township is a regional hub of transportation and commerce for central New Jersey and a major bedroom suburb of New York City, within the New York metropolitan area. Located within the core of the Raritan Valley region, Woodbridge Township hosts the junction of the New Jersey Turnpike and the Garden State Parkway, the two busiest highways in the state, and also serves as the headquarters for the New Jersey Turnpike Authority, which operates both highways.

Middlesex County is located in the north-central part of the U.S. state of New Jersey, extending inland from the Raritan Valley region to the northern portion of the Jersey Shore. As of the 2020 United States census, the county was the state's third-most populous county with a population of 863,162, its highest decennial count ever and an increase of 53,304 (+6.6%) from the 2010 census count of 809,858, which in turn reflected an increase of 59,696 (8.0%) from the 750,162 counted in the 2000 census. Middlesex is part of the New York metropolitan area. Many communities within the county serve as commuter towns to and from New York City and other points north. The county is part of the Central Jersey region of the state.