Zhuzhou (Chinese: 株洲; pinyin: Zhūzhōu), formerly Jianning, is a prefecture-level city of Hunan Province, People's Republic of China, a little to the southeast of Changsha and bordering Jiangxi to the east. It is part of the "ChangZhuTan Golden Triangle" (comprising the cities of Changsha, Zhuzhou and Xiangtan). The city has jurisdiction over 5 counties (Yanling, Chaling, Youxian, Liling, Zhuzhou) and four districts (Hetang, Lusong, Shifeng and Tianyuan, a high-tech industrial development zone), and covers an area of 11,420 km2 (4,410 sq mi).
It had 3,855,609 inhabitants as of the 2010 census, of whom 806,988 lived in the built-up area (4 urban districts). With areas adjoining Zhuzhou due to be agglomerated in a few years' time, the joint built-up area will be home to 2,586,948 inhabitants. Zhuzhou is located in a subtropical monsoon climate zone and with its abundant mineral and organic resources has one of the highest agricultural yields in Hunan Province.