Youbeiping Commandery ( zh, 右北平郡), or Beiping Commandery ( zh, 北平郡) was a commandery in imperial China from the

Warring States period The Warring States period () was an era in ancient Chinese history characterized by warfare, as well as bureaucratic and military reforms and consolidation. It followed the Spring and Autumn period and concluded with the Qin wars of conquest ...

Tang dynasty The Tang dynasty (, ; zh, t= ), or Tang Empire, was an imperial dynasty of China that ruled from 618 to 907 AD, with an interregnum between 690 and 705. It was preceded by the Sui dynasty and followed by the Five Dynasties and Ten Kingdo ...

. It was located in present-day

Hebei Hebei or , (; alternately Hopeh) is a northern province of China. Hebei is China's sixth most populous province, with over 75 million people. Shijiazhuang is the capital city. The province is 96% Han Chinese, 3% Manchu, 0.8% Hui, and ...

and

Tianjin Tianjin (; ; Mandarin: ), alternately romanized as Tientsin (), is a municipality and a coastal metropolis in Northern China on the shore of the Bohai Sea. It is one of the nine national central cities in Mainland China, with a total popu ...

. Youbeiping Commandery was established by the state of Yan for the defense against the Xiongnu. In

Western Han dynasty The Han dynasty (, ; ) was an imperial dynasty of China (202 BC – 9 AD, 25–220 AD), established by Liu Bang (Emperor Gao) and ruled by the House of Liu. The dynasty was preceded by the short-lived Qin dynasty (221–207 BC) and a wa ...

, it administered 16 counties: Pinggang (平剛), Wuzhong (無終), Shicheng (石成), Tingling (廷陵), Junmi (俊靡), Ci (薋), Xuwu (徐無), Zi (字), Tuyin (土垠), Bailang (白狼), Xiyang (夕陽), Changcheng (昌城), Licheng (驪成), Guangcheng (廣成), Juyang (聚陽) and Pingming (平明). The population in 2 AD was 320,780, in 66,689 households. In Eastern Han, only 4 counties remained, namely Tuyin, Xuwu, Junmi and Wuzhong, while most of the others were abolished. In 140 AD, the population was 53,475, and the households numbered 9,170.''

Book of Later Han The ''Book of the Later Han'', also known as the ''History of the Later Han'' and by its Chinese name ''Hou Hanshu'' (), is one of the Twenty-Four Histories and covers the history of the Han dynasty from 6 to 189 CE, a period known as the Late ...

'', Chapter 113. In Jin dynasty, the name was changed to Beiping. The population in 280 AD was 5,000 households. In 446 AD during Northern Wei, the commandery was merged into

Yuyang Commandery Yuyang Commandery ( zh, 漁陽郡) was a commandery in imperial China from Qin dynasty to Tang dynasty. It was located in present-day Hebei province as well as Beijing and Tianjin municipalities. The commandery was established by the state of Ya ...

. In Sui and Tang dynasties, Beiping Commandery became an alternative name of Ping Prefecture (平州). It administered 3 counties, including

Lulong Lulong County, formerly Yongping, is a county of Qinhuangdao City, in northeastern Hebei Province, China. Administrative divisions The county administers 6 towns and 6 townships. Towns: *Lulong (), Panzhuang (), Yanheying (), Shuangwang ( ...

(盧龍), Shicheng (石城) and Macheng (馬城). In 742, the population was 25,086, in 3,113 households.'' New Book of Tang'', Chapter 39.

References

{{Han dynasty provinces Commanderies of the Qin dynasty Commanderies of the Han dynasty Commanderies of the Jin dynasty (266–420) Commanderies of the Sui dynasty