China Historical GIS, Harvard University and Fudan University CC BY-NC 4.0 http://tgaz.fudan.edu.cn/tgaz/placename/hvd_87370 勃海郡 勃海郡 Bohai Jun 郡 郡 jun commandery 23 4 29 4 POINT point N 38.12251 E 116.76734 FROM_FD 今河北南皮县南皮镇东北 东汉 Donghan 东汉 Donghan 中邑县 Zhongyi Xian 南皮县 Nanpi Xian 章武县 Zhangwu Xian 章武县 Zhangwu Xian CHGIS