Province: Selenge Province
Centre of sum: Orkhon   , 180 km located from Sukhbaatar.
Population: 2'369
Area: 1306 km2

Orkhon is a sum (district) of Selenge Province in northern Mongolia.  Orkhon sum  was established by the Decree of the People's Republic of Mongolia on December 31, 1959. The population is 2369. 130,600 hectares of land.

It is located in the southwest of Selenge aimag.

  • 220 km from Ulaanbaatar
  • 180 km from Selenge province
  • 70km from Darkhan-Uul province
  • 110km from Orkhon province

The soum borders Selenge aimag with southwest, Baruunburen sum, West with Sant sum, Northeast with Saikhan sum, east with Bayangol soum and Sukod with Tuv aimag.