The Town of Windsor lies in the southeastern part of Broome County and is bounded on the north by the Town of Colesville, on the east by the Town of Sanford, on the south by the Pennsylvania State Line and on the west by the Town of Kirkwood. The town was formed on March 27, 1807, from the Town of Chenango. The incorporated Village of Windsor is located in this town. The other large unincorporated villages are Damascus, East Windsor, and West Windsor.