Mongolia Mongolian: Монгол улс, literally Mongol country/nation, ) is a landlocked country in East and Central Asia. It borders Russia to the north and the People's Republic of China to the south, east and west. Although Mongolia does not share a border with Kazakhstan, its western-most point is only 38 kilometres (24 mi) from Kazakhstan's eastern tip. Ulaanbaatar, the capital and largest city, is home to about 38% of the population. Mongolia's political system is a parliamentary republic.