Inner Mongolia (Mongolian: , Öbür mongɣul; ; also romanized as Nei Mongol) is the Mongol autonomous region of the People's Republic of China, although the majority of its population are Han Chinese.

Inner Mongolia borders, from east to west, the provinces of Heilongjiang, Jilin, Liaoning, Hebei, Shanxi, Shaanxi, Ningxia Hui Autonomous Region, and Gansu, while to the north it borders Mongolia and Russia. It has an area of 1.18 million km² occupying 12% of China's land area. It has a population of about 24 million as of 2004. The capital is Hohhot.

The official languages are Standard Mandarin and Mongolian, the latter written in the classical alphabet.