Kazakhstan is the world's largest landlocked country, and the ninth largest in the world, with an area of 2,724,900 square kilometers (1,052,100 sq mi). It is a transcontinental country largely located in Asia; the most western parts are located in Europe. Kazakhstan is the dominant nation of Central Asia economically, generating 60% of the region's GDP, primarily through its oil/gas industry. It also has vast mineral resources. The territory of Kazakhstan has historically been inhabited by Turkic nomads who trace their ancestry to many Turkic states such as Turkic Khaganate etc. In the 13th century, the territory joined the Mongolian Empire under Genghis Khan. In 1936, it was made the Kazakh Soviet Socialist Republic, part of the Soviet Union.