Arkhangai province has 19sums and 101bags.[5]The aimag capitalTsetserleg is geographically located in theErdenebulgan sum in the south of the aimag. It is not to be confused with theTsetserleg sum in the north.
The main field of economy in the aimag is agriculture, predominantly animal husbandry. According to 2004 data, the aimag was home to 1,948,000 domestic animals: goats, sheep, cattle (incl. yaks andkhainags), horses and camels. Camels are almost exclusively herded in the southeastern sums.[9]
In 2018, the province contributed to 1.34% of the total national GDP of Mongolia.[10]