Location map for showing dialectal variation in Chinese-speaking regions.
Equirectangular projection (World Equidistant Cylindrical (Sphere)). Geographic limits of the map:

N: 55° N
S: 15° S
E: 145° E
W: 70° E
Created using QGIS. Data from Natural Earth. Free vector and raster map data @ naturalearthdata.com.
Own work
Justinrleung