Ljubljana, Osrednjeslovenska, Slovenia
Groningen, Groningen, Netherlands
Opole, Opole, Poland
Zagreb, Zagreb City, Croatia
Rotenburg an der Fulda, Hessen, Germany
Ravne na Koroškem, Slovenia
Koper, Obalno-kraska, Slovenia
Rogaska Slatina, Savinjska, Slovenia
Izmir, Izmir, Turkey
Brighton and Hove, United Kingdom of Great Britain and Northern Ireland
Leipzig, Sachsen, Germany
