Gliwice, Silesia, Poland
Opole, Opole Voivodeship, Poland
Fredrikstad, Østfold, Norway
Amsterdam, North Holland, Netherlands
Żywiec, Silesian Voivodeship, Poland
Narvik, Nordland, Norway
Žilinský kraj, Slovakia
Baden bei Wien, Lower Austria, Austria
Zabrze, śląskie, Poland