Airag (, also Khar-Airag, Hara-Ayrag, Kumis) is a sum (district) and town of Dornogovi Province in southeastern Mongolia. Airag sum center is a fluorspar mining settlement, the primary fluorspar mining and processing enterprises are at Bor-ÃÂndör city (Khentii aimag). The railway station connecting Bor-ÃÂndör (60 km) via Airag to Ulan Bator and Beijing is at the sum center. In 2009, its population was 3,598.
The district has a total area of 7,400 km<sup>2</sup>.
The district is divided into four bags, which are:
The district has a secondary school, primary school and kindergarten. The gross enrolment ratio for secondary school is 93.8% and for primary school is 98.6%.