Situated in east-central Asia, Mongolia has an area of 1,565,000 sq km (604,250 sq mi), extending 2,368 km (1,471 mi) E – W and 1,260 km (783 mi) N – S . Comparatively, the area occupied by Mongolia is slightly smaller than the state of Alaska. The largest landlocked country in the world, Mongolia is bordered on the N by Russia and on the E , S , and W by China, with a total boundary length of 8,162 km (5,072 mi).