borough (district), administrative and historic county of Surrey, England. It occupies the southwestern corner of the county, along the Hampshire and Sussex borders. Its wooded hills and heathlands have been designated an Area of Outstanding Natural Beauty. Much of the district is drained by the River Wey. In the north are the medieval market towns of Farnham, surrounding a Norman castle, and Godalming, once known for leather tanning and the cloth trade. In the south is Haslemere, home of the musical Dolmetsch family. Area 133 square miles (345 square km). Pop. (2001) 115,639.