Yes, it just uses the shapefile from the tokyo open data site. https://catalog.data.metro.tokyo.lg.jp/dataset/t000008d0000000028 https://catalog.data.metro.tok

Yes, it just uses the shapefile from the tokyo open data site. https://catalog.data.metro.tokyo.lg.jp/dataset/t000008d0000000028 https://catalog.data.metro.tokyo.lg.jp/dataset/t000008d00000... It's a quarto site so if you navigate to the repository of the github page you can see the python code used to generate the map/choropleth.