Dongyang, an ancient place name. (1) in the Spring and Autumn Period and the Jin Dynasty, it belonged to Wei and Zhao in the Warring States Period, which was equivalent to southern Hebei and northern Henan to the east of Taihang Mountain. Zuo Zhuan: In the twenty-second year of Zhao Gong (before 520), "Xun Wu was slightly in Dongyang"; Historical Records Zhao: In the 18th year of Huiwen, Zhao Haoqi (28 1), "Qin Ba I Shicheng, Wang Zaizhi Wei Dongyang, Dinghe, and Wei Shi" are all here.