High Quality Content by WIKIPEDIA articles! Chifeng, also known as Ulanhadhot (pronounced , "red cliff"), is a prefecture-level city in southeastern Inner Mongolia, People`s Republic of China. It borders Xilin Gol to the north and west, Tongliao to the northeast, Chaoyang prefecture of Liaoning province to the southeast, and Chengde prefecture of Hebei province to the south. The city has a total administrative area of 90,275 square kilometres (34,855 sq mi) 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 core districts of Hongshan, Yuanboshan and Songshan even though a large part of Songshan is still rural.