Northbridge is a town in Worcester County, Massachusetts, United States. The population was 16,335 at the 2020 census. The Northbridge Town Hall is located at 7 Main Street in Whitinsville. The town is now a part of the Blackstone River Valley National Heritage Corridor, of the National Park Service. Northbridge claims to history include: Native American Nipmuc lands, Colonel John Spring, who led the Uxbridge militia training company in the American Revolution, Samuel Spring, Revolutionary War Chaplain, the Residence of Ezra T. Benson 1830–1832, the birthplace of President Millard Fillmore's mother, Phoebe, and home to the Whitin Machine Works from 1831 to 1964.

The John H. Chafee Blackstone River Valley National Heritage Corridor is a National Heritage Corridor dedicated to the history of the early American Industrial Revolution, including mill towns stretching across 25 cities and towns near the river's course in Worcester County, Massachusetts, and Providence County, Rhode Island. It makes up a historical area in the Blackstone Valley and is named for the late US Senator from Rhode Island John Chafee. In 2014, the Blackstone River Valley National Historical Park was created out of a smaller portion of the National Heritage Corridor. The two units now exist as cooperative entities. The organization is headquartered at the building in Whitinsville, MA, which is located at 670 Linwood Ave, Whitinsville, MA 01588.