County Durham (district)

County Durham is a unitary authority area in the ceremonial county of County Durham, England. It is governed by Durham County Council. The district has an area of 2,226 square kilometres (859 sq mi), and contains 135 civil parishes. It forms part of the larger ceremonial county of Durham, together with boroughs of Darlington, Hartlepool, and the part of Stockton-on-Tees north of the River Tees.