Bridgewater Township is a township in Somerset County in the U.S. state of New Jersey, located within the heart of the Raritan Valley region. Situated within Central New Jersey and crisscrossed by several major highways, the township is known for being both the regional commercial hub for Somerset County and as a suburban bedroom community of New York City within the New York Metropolitan Area. The township is located roughly 32 miles (51 km) away from Manhattan and about 20 miles (32 km) away from Staten Island.

Somerset County is a county located in the north-central part of the U.S. state of New Jersey. As of the 2020 census, the county was the state's 13th-most-populous county, with a population of 345,361, its highest decennial count ever and an increase of 21,917 (+6.8%) from the 2010 census count of 323,444. Somerset County constitutes part of the New York metropolitan area. Its county seat is Somerville. The most populous place in the county was Franklin Township, with 68,364 residents at the time of the 2020 census, while Hillsborough Township, with 55.00 square miles (142.4 km2), covered the largest total area of any municipality. The county is part of the Central Jersey region of the state.