Banja Luka, Republika Srpska, Bosnia and Herzegovina
Thessaloniki, Central Macedonia, Greece
Wrocław, Lower Silesian Voivodeship, Poland
Wien, Vienna, Austria
Faenza, Emilia-Romagna, Italy
Barcelona, Catalonia, Spain
Lanzarote, Canarias, Spain
Pamplona, Navarre, Spain
Kaliningrad, Kaliningrad, Russia
Oslo, Oslo, Norway
Arnhem, Gelderland, Netherlands
Florence, Tuscany, Italy
