Cluj-Napoca, Cluj County, Romania
Krakow, Lesser Poland, Poland
Katowice, Silesian Voivodeship, Poland
Bielsko-Biala, Silesia, Poland
Hafnarfjörður, Capital Region, Iceland
Graz, Steiermark, Austria
Myslowice, Silesian Voivodeship, Poland
Rybnik, Silesian Voivodeship, Poland