Tehri Garhwal is one of the western most district of the Uttarakhand State (Former Uttar Pradesh) located on the outer ranges of the mid Himalayas which comprise low line peaks rising contiguously with the planes of the northern India. The district lies between the parallels of 30.3` and 30.53` north latitude and 77.56` and 79.04` east longitude. Uttarkashi from the north, Rudraprayag from the east, Puri Garhwal from the south and Dehra Dun from the west are bounding the districts. On the western front Yamuna river separates it from Jaunsar Pragana of the Dehra Dun district while Bhagirathi rising from the north of the Gangotri in the district Uttarkashi touches the district near village Nagun.
Total area of the district is 4421 sq. kms (Census 1991) . The district headquarter is located at New Tehri Town since 1.4.1989, Earlier Narendranagar was the district headquarter.
Source : District Administration Tehri Garwal - Uttarakhand, Last Updated on 07-12-2013