The Dartmouth–Lake Sunapee area of the U.S. state of New Hampshire ranges from Bradford northwest along Interstate 89 to New Hampshire's border with Vermont at the city of Lebanon. There are two distinct regions encompassed in the Dartmouth–Lake Sunapee area. The Upper Valley region is the northwest-central area, including Lebanon, a commerce and manufacturing center, and Hanover, home of Dartmouth College, an Ivy League university.