Kinnaur is one of the twelve administrative districts of the state of Himachal Pradesh in northern India. The district is divided into three administrative areas (Kalpa, Nichar (Bhabanagar), and Pooh) and has six tehsils. The administrative headquarters of the district is at Reckong Peo. The mountain peak of Kinnaur Kailash is found in this district. As of 2011, it is the second least populous district of Himachal Pradesh (out of 12 districts), after Lahaul and Spiti.