天地图 五级行政区域边界 - SERP Analysis

https://malagis.com/gis-data-province-city-county-town-village-vector-data.html

https://www.tianditu.gov.cn/

https://blog.csdn.net/2301_77413856/article/details/134242492

https://zhuanlan.zhihu.com/p/673818377

https://cloudcenter.tianditu.gov.cn/administrativeDivision/

https://github.com/GaryBikini/ChinaAdminDivisonSHP

https://www.cnopendata.com/data/m/recent/chinese-administrative-divisions-shp.html

https://www.resdc.cn/DOI/DOI.aspx%3FDOIID%3D122

https://blog.csdn.net/toooooop8/article/details/149335385