Chengbu, lying in the upper reaches of the Wu River, covers 1,022 square miles in Shaoyang, Hunan in the People's Republic of China and as of 2017, has a population of 292,033.
It lies in the upper reaches of the Wu River. The county has a total area of 2,647.07 square kilometres (1,022.04 sq mi). Chengbu Miao Autonomous County (simplified Chinese: ; traditional Chinese: ; pinyin: Chengbu Miaozu Zizhixian; usually referred to as "Chengbu County", commonly abbreviated as "Chengbu", simplified Chinese: ; traditional Chinese: ; pinyin: Chengbu Xian) is an autonomous county of Miao people in the Province of Hunan, China, it is under the administration of Shaoyang City. 292,033 
