Brattleboro, originally Brattleborough, is a town in Windham County, Vermont, United States, located in the southeast corner of the state, along the state line with New Hampshire. The population was 12,049 at the 2010 census. It is situated along the Connecticut River, at the mouth of the West River.
Brattleboro is the oldest town in the state of Vermont and is noted for its vibrant arts community. The town is home to the respected Brattleboro Retreat, a psychiatric hospital and convalescent center, and the SIT Graduate Institute, a renowned graduate educational institution.