Bridgewater is a town located in Plymouth County, in the state of Massachusetts, United States. As of the 2020 U.S. Census, the town's population was 28,633. Bridgewater is located approximately 25 miles (40 km) south of Boston and approximately 35 miles east of Providence, Rhode Island.

Plymouth County is a county in the U.S. state of Massachusetts, south of Boston. As of the 2020 census, the population was 530,819. Its county seats are Plymouth and Brockton. In 1685, the county was created by the Plymouth General Court, the legislature of Plymouth Colony, predating its annexation by the Massachusetts Bay Colony.