New Hampshire Route 101 is a state-maintained highway in southern New Hampshire extending from Keene to Hampton Beach. It is the major east–west highway in the southern portion of the state. Most of its eastern portion is a major freeway linking the greater Manchester area to the Seacoast Region. At 95.189 miles (153.192 km) in length, NH 101 nearly spans the entire width of southern New Hampshire.

Marlborough is a town in Cheshire County, New Hampshire, United States. The population was 2,096 at the 2020 census. The town is home to the Kensan-Devan Wildlife Sanctuary at Meetinghouse Pond.