Wroclaw, Lower Silesia, Poland
Delft, South Holland, Netherlands
Gdańsk, Pomorze, Poland
Dénia, Valencia, Spain
Vila Real, Trás-os-Montes and Alto Douro, Portugal
Groningen, Groningen, Netherlands
Warsaw, Masovian Voivodeship, Poland
Wrocław, Lower Silesian Voivodeship, Poland
Gdańsk, Pomeranian Voivodeship, Poland