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Inner Mongolia

How large is Inner Mongolia in area?

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Wide autumn valley with golden grass in the foreground and low, tree-covered mountains of the Greater Khingan Range in the distance under a clear sky. — Inner Mongolia Da Hinggan (Greater Khingan) Range, southeast of Hailar, Inner Mongolia Autonomous Region, China.

Inner Mongolia covers an area of approximately 454,600 square miles (1,177,500 square km).1