|Country||People's Republic of China|
|County seat||Chicheng Town (赤城镇)|
|• Total||5,287 km2 (2,041 sq mi)|
|Elevation||882 m (2,894 ft)|
|• Density||45/km2 (120/sq mi)|
|Time zone||China Standard (UTC+8)|
Chicheng (Chinese: 赤城; pinyin: Chìchéng), or Ch’ih-ch’eng, is a county under the administration of Zhangjiakou City, northwestern Hebei province, bordering Beijing to the southeast. The total area of the county is 5,287 square kilometres (2,041 sq mi). It administrates 9 towns and 9 townships, and as of 2010[update], has a population of 238,169. China National Highway 112 passes through the county just south of the county seat, Chicheng Town (赤城镇).
It was formerly in the far southeast of Chahar province.
Chicheng County is divided into the following 18 divisions: