東官郡

(南海郡) of the Qin dynasty. In 331[citation needed] during the Eastern Jin dynasty, Haiyang (海陽縣) was established as a part of Dongguan Commandery (東官郡).

"黑山賊于毒、白繞、眭固等十餘萬衆略魏郡、東郡，王肱不能禦，太祖引兵入東郡，擊白繞于濮陽，破之。袁紹因表太祖為東郡太守，治東武陽。 ...太祖要擊眭固，又擊匈奴於夫羅於內黃，皆大破之。" Chen and Pei 429, 1.9–10: "青州黃巾衆百萬入兖州，...信乃與州吏萬潛等至東郡迎太祖領兖州牧。遂進兵擊黃巾于壽張東。

69. (紹等又為畫策，多召四方猛將及諸豪傑，使並引兵向京城，以脅太后。進然之。 ... 遂西召前將軍董卓屯關中上林苑，又使府掾太山王匡東發其郡強弩，并召東郡太守橋瑁屯城皐，使武猛都尉丁原燒孟津，火照城中，皆以誅宦官為言。太后猶不從。 ... 進於是以紹為司隷校尉，假節，專命擊斷；從事中郎王允為

prominent warlord. Liu Yao was from Muping County (牟平縣), Donglai Commandery (東萊郡), which is in present-day Muping District, Yantai, Shandong. He was of noble

不為下者，抑揆彼之量必不容己，非唯競利，且以避害雲爾。) Sanguozhi vol. 32. (《典略》曰：先主祖雄，父弘，世仕州郡。雄舉孝廉，官至東郡範令。) Dianlüe annotation in Sanguozhi vol. 32. (漢晉春秋》曰：涿人李定雲：「此家必出貴人。」) Han