Utror, also spelt Atror, is a valley and a union council of the Behrain Tehsil, located in upper Swat region of Khyber Pakhtunkhwa, Pakistan. It is surrounded by snow-clad mountains, green pastures and waterfalls. The area of the valley is about 47400 ha. Utror is 16 km away from Kalam Valley and 116 km from Saidu Sharif. The population of the region is around 20,000. Utror is surrounded by Bhan valley on the east, Upper Dir District on the west, Kalam on the south and Gabral on the north. The altitude of the valley at Utror proper is 2300 m and reaches 2900 m at Kundol Lake. Badogai Pass connects it to Upper Dir District. Further the region leads to Chitral.