Poznan, Greater Poland, Poland
Tarnowo Podgorne, Greater Poland, Poland
Kolding, Region of Southern Denmark, Denmark
Mikkeli, Finland
Wloclawek, Kujawy-Pomerania, Poland
Frederiksberg, Capital Region of Denmark, Denmark
Prague, Hlavní město Praha, Czech Republic
Trentino-Alto Adige/South Tyrol, Italy
Gliwice, Silesian Voivodeship, Poland