Tanch'ŏn is divided into 39 tong (neighbourhoods) and 39 ri (villages): There are extensive mineral resources in the area, including cobalt, magnesite, and iron ore.
Tanch'ŏn 39 tong (mahalle) ve 39 ri (köy)'e bölünmüştür: Bölgede, kobalt, manyezit ve demir cevheri gibi geniş mineral kaynakları bulunmaktadır.