Arkhangai Province () is one of the 21 provinces of Mongolia, located slightly west of the country's center, on the northern slopes of the Khangai Mountains. It is composed of 19 districts.
History
The province was founded in 1931.
Administrative subdivisions
thumb|center|300px|Sums of Arkhangai
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.
{| class="wikitable"
|-
|+ The Sums of Arkhangai aimag
|-
! Sum
! Mongolian
! Population<br>(2005)
! Population<br>(2009)
! Area<br>km<sup>2</sup>
! Density<br>/km<sup>2</sup>
! Sum centre<br>population
|-
| Battsengel || Батцэнгэл ||3,818|| 3,855||3,846||3,500||1.10||1,096
|-
| Bulgan || Булган||2,285|| 2,361||2,434||3,100||0.79||961
|-
| Chuluut || Чулуут||3,943|| 3,749||3,744||3,900||0.96||935
|-
| Erdenebulgan* || Эрдэнэбулган||17,790|| 18,022||17,770||536||33.15||17,770
|-
| Erdenemandal || Эрдэнэмандал||6,099|| 5,843||5,933||3,400||1.74||1,091
|-
| Ikh-Tamir || Их тамир||5,714||5,154||5,247||4,800||1.09||1,050
|-
| Jargalant || Жаргалант||4,089||4,114||4,111||3,832||1.07||1,035
|-
| Khairkhan || Хайрхан||3,756||3,558||3,656||2,500||1.46||739
|-
| Khangai || Хангай||3,054||2,805||2,926||4,400||0.66||795
|-
| Khashaat || Хашаат||3,594||3,305||3,344||2,600||1.29||802
|-
| Khotont || Хотонт||4,763||4,809||4,440||2,200||2.02||774
|-
| Ögii nuur || Өгий нуур||3,015||3,041||3,086||n.a||n.a.||622
|-
| Ölziit || Өлзийт||3,154||3,037||3,102||1,700||1.82||829
|-
| Öndör-Ulaan || Өндөр-Улаан||5,873||5,729||5,798||4,000||1.45||1,097
|-
| Tariat || Тариат||5,082||5,022||5,086||3,800||1.34||644
|-
| Tüvshrüülekh || Түвшрүүлэх||3,489||3,410||3,438||1,200||2.86||1,869
|-
| Tsakhir || Цахир||2,058||2,126||2,143||3,398||0.63||438
|-
| Tsenkher || Цэнхэр||5,480||5,387||5,414||3,200||1.69||997
|-
| Tsetserleg || Цэцэрлэг||2,058||3,955||3,813||2,500||1.53||848
|-
|}
<sup>*</sup> - The aimag capital Tsetserleg
Climate
thumb|Terkhiin Tsagaan Lake, Mongolia
In winter, the mean temperature is , and in summer, the highest temperature is between .
Geology
The province has a total forest area of 10,086 km<sup>2</sup>, which represents 18.6% of the province's area.
Economy
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 and khainags), horses and camels. Camels are almost exclusively herded in the southeastern sums.
In 2018, the province contributed to 1.34% of the total national GDP of Mongolia.