Ust-Kalmansky District

Ust-Kalmansky District (Усть-Калма́нский райо́н) is an administrative and municipal district (raion), one of the fifty-nine in Altai Krai, Russia. It is located in the center of the krai. The area of the district is 2300 km2. Its administrative center is the rural locality (a selo) of Ust-Kalmanka. Population: The population of Ust-Kalmanka accounts for 41.5% of the district's total population.