China Historical GIS, Harvard University and Fudan University CC BY-NC 4.0 https://maps.cga.harvard.edu/tgaz/placename/hvd_111230 襄陽節度使 襄阳节度使 Xiangyang Jiedushi 防镇 防鎮 fang zhen defense command 756 4 756 4 POINT point N 32.04517 E 112.15051 唐 Tang CHGIS