Altai City is the capital of the Govi-Altai province in western Mongolia. As of 2008, its population is 15,800. The Altai Airport has three runways …Altai City is the capital of the Govi-Altai province in western Mongolia. As of 2008, its population is 15,800. The Altai Airport has three runways and is served by regular flights to Arvaikheer and Ulaanbaatar.