Nestled in the foothills of Himalaya, Dehradun is one of the oldest cities of India and Capital of Uttaranchal State. Also known as the Adobe of Drona , Dehradun has always been an important center for Garhwal rulers which was captured by the British. It is surrounded by the Himalayas mountains on the north, Shivalik Hills on the south, and the river Ganges east and the river Yamuna on the west. The water divide of Ganga and Yamuna passes through the city. Neighbouring cities and towns include Haridwar, Rishikesh, Roorkee, Mussoorie and Saharanpur. A popular item that has made Dehradun known across the world is "Dehradooni basmati rice", which is grown in the fields surrounding the neighbouring Saharanpur.