in Sizhou; the Southern and Northern Dynasties were divided into Hanoi County and Xingyang County; the Later Wei dynasty was divided into Hanoi County, Wude County, Sizhou Ji County, Xingyang County, and Donghengnong County in Huaizhou (Eastern Wei, formerly Wu, Yangwu County belongs to Guangwu County of Northern Yuzhou); Northern Qi dynasty belongs to Ji County of Sizhou.

In the Sui dynasty, it belonged to Hanoi County, Ji County, and Xingyang County; in the Tang dynasty, it belonged to Huaizhou and Hanoi County of Hebei Province, Heyang