Chifeng (Chinese 赤峰, Pinyin Chìfēng, Wade-Giles Ch'ih-fêng; lit.: red peak; Mongolian: ulaγan qada (pronounced like Ulaankhad, lit. red cliff) is a prefecture-level city in southeastern Inner Mongolia. It borders Xilin Gol to the north and west, Tongliao to the northeast, and Chaoyang prefecture of Liaoning and Chengde prefecture of Hebei to the south. The city has an area of 90,275 km² and a population of 4.48 million (2004). Chifeng is the seat of a Roman Catholic diocese.