Uttarakhand borders Tibet to the north, Nepal to the east, and the states of Himachal Pradesh and Uttar Pradesh in the west and south respectively. The region is traditionally referred to as Uttarakhand in Hindu scriptures and old literature, a term which derives from the Sanskrit for Northern Country or Section. With an area of 20,682 sq mi (53,566 km²). In January 2007, the name of the state was officially changed from Uttaranchal, its interim name, to Uttarakhand, according to the wishes of a large section of its people. The capital of Uttarakhand is Dehradun which is also a rail-head and the largest city in the region.