Chifeng , also known as
Ulanhad ( (Улаанхад хот) , "red cliff"), is a
prefecture-level city in southeastern
Inner Mongolia, People's Republic of China. It borders
Xilin Gol League to the north and west,
Tongliao to the northeast,
Chaoyang (
Liaoning) to the southeast, and
Chengde (
Hebei) to the south. The city has a total administrative area of and has a population of 4,341,245 inhabitants. As of the 2010 census, 1,094,970 of these residents reside within in the urban districts of
Hongshan,
Yuanbaoshan and
Songshan. However, a large part of Songshan is still rural and Yuanbaoshan is a de facto separate town 27 kilometers away from the core district of Chifeng. The city was the administrative centre of the defunct
Ju Ud League (; ).