Zhangjiakou is several cities and Zhangjiakou belongs to several cities.

Zhangjiakou is a fourth-tier city, also known as Bird and Wucheng. It is a prefecture-level city under the jurisdiction of Hebei Province. It is located in the northwest of Hebei Province, at the junction of Beijing, Hebei, Shanxi and Mongolia. It is the intersection of Beijing-Tianjin-Hebei (Bohai Rim) economic circle and Hebei-Shanxi-Mongolia (Outer Great Wall) economic circle. It is the central city in the northwest of Hebei Province and the transportation hub connecting Beijing and Tianjin and communicating with Shanxi and Mongolia.

Zhangjiakou is located in the northwest of Hebei province, east longitude11350 ′ ~11630 ′, north latitude 39 30 ′ ~ 4210 ′. It borders the capital Beijing in the east, Datong in the west, Inner Mongolia Plateau in the north and North China Plain in the south. The city is 289.2 kilometers long from north to south and 2 16.2 kilometers wide from east to west, with a total area of 36,800 square kilometers and a total population of 4,873,200. As of 20 17, Zhangjiakou has 10 counties (Zhangbei, Kangbao, Guyuan, Shangyi, Yuxian, Yangyuan, Huai 'an, Huailai, Zhuolu and Chicheng) and 6 districts (Qiaodong, Qiaoxi, Xuanhua, Xiahuayuan, Chongli and Wanquan).

Abundant natural resources. By the end of 20 17, 97 kinds of minerals were discovered and 57 kinds of minerals with proven resource reserves were found in the city. Rich in wind energy resources, with a reserve of more than 20 million kilowatts, it became the first area in China to be approved to build a 2 million kilowatt wind power base; Geothermal resources are abundant, among which Chicheng Hot Springs and Huailai Geothermal are famous all over the country.