Ordos (; ) is one of the twelve major subdivisions of Inner Mongolia, People's Republic of China. It lies within the Ordos Loop of the Yellow River. Although mainly rural, Ordos is administered as a prefecture-level city. Its administrative seat is situated in Dongsheng which had a population of 582,544 inhabitants as of the 2010 census. Another Banner is being urbanized quickly around the city of Ejin Horo with about 251,894 inhabitants at the 2010 census which is the seat of Ordos Airport.