Jinzhong, formerly Yuci, is a prefecture-level city in east central Shanxi province of the People's Republic of China, bordering Hebei province to the east. As of the 2020 census, its total population was 3,379,498 inhabitants of whom 1,226,617 lived in the Yuci and Taigu urban districts. However, 5,433,659 lived in the built-up area of Taiyuan - Jinzhong made of Yuci district plus the 6 Taiyuan urban districts, largely conurbated.

Yuci District is a district in Jinzhong, Shanxi, China.