Province:  Bayan-Ulgii province 
Centre of sum: Buyant  , 75 km located from Ulgii.
Population: 2'438
Area: 1845.67 km2

Buyant is a sum (district) of Bayan-Ulgii Province in western Mongolia. Buyant soum of Bayan-Ulgii province was founded in 1942 and was formerly Altainkhan’s khoshuu. A total of 2438 people live in 647 households.

Bordered by Bayangol, Altai, Bugat, Sagsai and Tolbo soums. Up to 2500-3000 m above sea level. Physical geography is included in Altai mountain range and high mountain zone.

Buyant sum is located:

  • 1750 km from Ulaanbaatar,
  • Located 75 km from the province center.