 The center, officially named "Ider" (), is located 168 km south of the city of Mörön and 837 kilometers from the capital city, Ulaanbaatar (Ulan Bator).The Galt sum was founded, under the name Ider and as part of Arkhangai aimag, in 1931.In 1933, it had about 2,500 inhabitants in 687 households, and about 72,000 heads of livestock.