Zhuo Commandery
Zhuo Commandery or Fanyang Commandery was a commandery in imperial China from Han dynasty to Tang dynasty, located in modern Hebei and Beijing.
Han dynasty
Zhuo Commandery was established during Emperor Gao of Han's reign from the Qin-era Guangyang, Julu and Hengshan commanderies, with the seat at Zhuo. In Western Han dynasty, it administered 29 counties: Zhuo, Nai, Guqiu, Gu'an, Nan Shenze, Fanyang, Liwu, Rongcheng, Yi, Guangwang, Mao, Gaoyang, Zhouxiang, Anping, Fanyu, Cheng, Liangxiang, Lixiang, Linxiang, Yichang, Yangxiang, Xixiang, Raoyang, Zhongshui, Wuyuan, Aling, Awu, Gaoguo and Xinchang. In 2 AD, the population was 782,764, in 195,670 households. Most of the counties were abolished in Eastern Han, and only 7 counties were listed in the Book of Later Han: Zhuo, Nai, Gu'an, Liangxiang, Bei Xincheng and Fangcheng. In 140 AD, the population was 633,754, in 102,218 households.Cao Wei and Jin dynasty
During Emperor Wen of Wei's reign, Zhuo was renamed Fanyang. After the establishment of Jin dynasty, the territory was reorganized into the Principality of Fanyang. Three princes held the title Prince of Fanyang:- Sima Sui, Prince Kang of Fanyang, 265–279;
- Sima Xiao, 279–306;
- Sima Li, 306, killed during the War of the Eight Princes.