URL：https://upload.wikimedia.org/wikipedia/commons/thumb/e/e9/Indicator_map_for_Ishikari_and_Sorachi_Subprefecture_in_Hokkaido_Japan.svg/318px-Indicator_map_for_Ishikari_and_Sorachi_Subprefecture_in_Hokkaido_Japan.svg.png
掲載元：https://ja.wikipedia.org/wiki/三笠市
