| Name | Country | State |
|---|---|---|
| Denmark | Sydjylland | |
| Germany | Städteregion Aachen | |
| Switzerland | Thurgau | |
| Denmark | Nordjylland | |
| Germany | Ostalbkreis | |
| Netherlands | Groot-Amsterdam | |
| Belgium | Arr. Aalst | |
| Netherlands | Achterhoek | |
| Finland | Keski-Suomi | |
| Switzerland | Aargau | |
| Denmark | Østjylland | |
| Belgium | Arr. Leuven | |
| Belgium | Arr. Antwerpen | |
| Italy | Padova | |
| Spain | Murcia | |
| France | Somme | |
| United States | Louisiana | |
| Italy | Milano | |
| United Kingdom | Hertfordshire | |
| Netherlands | Utrecht | |
| Germany | Kelheim | |
| United Kingdom | Central Valleys | |
| United Kingdom | Gwent Valleys | |
| United Kingdom | Central Valleys | |
| United Kingdom | Aberdeen City and Aberdeenshire |