《宋书·志·卷三十五》
南东海太守，东海郡另见。晋元帝初年，分割吴郡海虞县的北部地区设置束海郡，设立郯、朐、利城三县，而将祝其、襄贲等县的治所设在曲阿县。
南东海太守，晋元帝初，割吴郡海虞县之北境为东海郡，立郯、朐、利城三县，而祝其、襄贲等县寄治曲阿。
The Prefect of Nandonghai, see Donghai Commandery separately. In the early years of Emperor Yuan of Jin, the northern part of Haiyu County in Wujun Commandery was divided to establish Shanhaiguan, and San County, Qushe, and Licheng were established, while the administrative offices of Zhuqi, Xiangben, and other counties were established in Qu'a County.