Datong City. Hunyuan County, part of Datong City, Shanxi Province, is located in northeastern Shanxi Province, at the middle and upper reaches of the Hun River, a tributary of the Sanggan River, with a total area of 1,968 square kilometers, and as of January 29, 2024, has 6 towns and 10 townships under its jurisdiction,*** counting 213 administrative villages and 11 communities.

Tatung City, anciently known as Yunzhong, Pingcheng, and Yunzhou, also known as the Coal Capital of China. It is a prefecture-level city under the jurisdiction of Shanxi Province, a large city of type II, and the second largest city in Shanxi Province. It has a total area of 14,176 square kilometers. As of January 29, 2024, the city has four districts and six counties under its jurisdiction, namely Pingcheng District, Yungang District, Xinrong District, Yunzhou District, Zuoyun County, Yanggao County, Tianzhen County, Hunyuan County, Guangling County, and Lingqiu County.