Xiangfen County is a county in the southwest of Shanxi Province, China. It was established in February 1954 from the merger of the former Xiangling County (襄陵县) and Fencheng County (汾城县). The county falls under the jurisdiction of the prefecture-level city of Linfen, and has an area of 1,034 km2 (399 sq mi) and has 442,614 inhabitants.

Linfen is a prefecture-level city in the southwest of Shanxi province, China, bordering Shaanxi province to the west. It is situated along the banks of the Fen River. It has an area of 20,275 square kilometres (7,828 sq mi) and according to the 2020 Census, a population of 3,976,481 inhabitants of which 959,198 live in the built-up area made up of Yaodu urban district. The GDP of Linfen ranked second in Shanxi Province. It was known as Pingyang (平陽) during the Spring and Autumn period. In 2006, the American Blacksmith Institute listed Linfen as one of the ten most polluted cities in the world.