《宋书·志·卷三十六》
昌安令，汉安帝延光元年设置，属高密郡，后汉时属北海，《晋太康地志》属城阳郡。
昌安令，汉安帝延光元年立，属高密，后汉属北海，《晋太康地志》属城阳。
Chang'an Commandery, established during the first year of Emperor An's Yan Guang era during the Han dynasty, under Gaomi, under Beihai during the Later Han period, under Chengyang Commandery according to the "Description of the Region during the Great Prosperity of the Jin Dynasty".