- an administrative division in NE China, adjoining the Mongolian People’s Republic. 174,000 sq. mi. (450,660 sq. km). Capital: Hohhot.
- an autonomous region of NE China: consists chiefly of the Mongolian plateau, with the Gobi Desert in the north and the Great Wall of China in the south. Capital: Hohhot. Pop: 23 800 000 (2003 est). Area: 1 177 500 sq km (459 225 sq miles)