Chicheng, also known as Ch’ih-ch’eng, is a county located in northwestern Hebei province, China. It falls under the administration of Zhangjiakou City and serves as the easternmost county-level division of that city. The region borders Beijing to its southeast.
The county covers a total area of 5,287 square kilometres (2,041 sq mi) and is divided into 9 towns and 9 townships. As of 2010, the population of Chicheng was recorded at 238,169. The county seat is Chicheng Town, which is situated just north of China National Highway 112.