Fenxi County is located in the north of Linfen City, bordering Jiaokou County of Lvliang City and Lingshi County of Jinzhong City in the north, Hongdong County in the south, Xixian County and Puxian County in the west, and Fenhe and huozhou city in the east. Shanxi Province, referred to as "Jin" for short, is the provincial administrative region of People's Republic of China (PRC), with Taiyuan as its capital. It is located in North China of China, bordering Hebei Province in the east, Shaanxi Province in the west, Henan Province in the south and Inner Mongolia Autonomous Region in the north.

Linfen is a prefecture-level city under the jurisdiction of Shanxi Province, located in the southwest of Shanxi, with Taiyue in the east and Changzhi and Jincheng as neighbors. It faces the Yellow River in the west and faces Yan 'an and Weinan in Shaanxi across the river. It starts from Hanxinling in the north and is adjacent to Jinzhong and Lvliang. The south borders Yuncheng.