Under Northern Wei, Dong Commandery administered 7 counties in mid-6th century: Dongyan (東燕), Pingchang (平昌), Baima, Liangcheng (涼城), Suanzao (酸棗, formerly part of Chenliu Commandery), Changyuan (長垣, formerly part of Chenliu) and Changle (長樂).