Dehradun is a State Capital as well as the District Headquarter and is the only corporation city in the state. The urbanization level in the state is highest in the vicinity, with 3 other major urban centres, Mussoorie, Hardwar and Rishikesh located within 30-50 Km range. The other key agencies in the city and sub-region which are responsible for urban planning and urban management functions include Dehradun Mussoorie Development Authority, Hardwar Rishikesh Development Authority, Doon Valley Special Area Development Authority and Garhwal Jal Sansthan.