Maps: administrative boundaries from Statistics Korea SGIS (KOGL Type 1), processed by vuski/admdongkor (CC BY 4.0). Japanese municipalities: National Land Numerical Information (MLIT), processed by smartnews-smri/japan-topography. Some names: Wikidata (CC0). Canadian census divisions: Statistics Canada (Statistics Canada Open Licence); Australian local government areas: Australian Bureau of Statistics (CC BY 4.0, via geoBoundaries). World: Natural Earth (public domain).