sentences:  The area is about 3,760 km², of which 2,870 km² are pasture.In 2005, the sum had 4251 inhabitants, mainly Khalkha and Khotgoid.The center, officially named "Bayan" () is situated on the banks of the Delgermörön river, 51 km west of Mörön and 722 kilometers from Ulaanbaatar.