Altai Prefecture is an administrative division of the Xinjiang Autonomous Region in the far northeast of China.
It contains part of the Altai mountain range, which crosses 4 countries: Mongolia, China, Kazakhestan and Russia, with a summit reaching 4506 m (Mount Beloukha).
Its area: 117,709.61 km2.
Its population: more than 600,000 inhabitants
Its capital: the city of Altai.
Image of title, source: flickr / korgik_k