Arkhangai Province is one of the 21 provinces of Mongolia. It is located slightly west of the country's center, on the northern slopes of the Khangai Mountains. It is composed of 19 districts. Arkhangai province has 19 sums and 101 bags. The aimag capital Tsetserleg is geographically located in the Erdenebulgan sum in the south of the aimag. It is not to be confu…Arkhangai Province is one of the 21 provinces of Mongolia. It is located slightly west of the country's center, on the northern slopes of the Khangai Mountains. It is composed of 19 districts. Arkhangai province has 19 sums and 101 bags. The aimag capital Tsetserleg is geographically located in the Erdenebulgan sum in the south of the aimag. It is not to be confused with the Tsetserleg sum in the north.