Yuncheng is a prefecture-level city located in the southernmost region of Shanxi province, China. It serves as a geographical neighbor to several administrative divisions, bordering Linfen and Jincheng municipalities to the north and east, while sharing borders with Henan and Shaanxi (Weinan) provinces to its east, south, and west.
According to the 2020 census, the city has a total population of 4,774,508 inhabitants. Of this population, 928,334 residents live within the built-up area of the Yanhu District. Additionally, Pinglu County, which contains 205,080 inhabitants in the south, is currently integrated into the Sanmenxia built-up area.