Tirana, Tirana, Albania
Halle (Saale), Sachsen-Anhalt, Germany
Kocaeli, Marmara, Turkey
Eskisehir, Eskisehir, Turkey
Gdańsk, Pomeranian Voivodeship, Poland
Halle (Saale), Saxony Anhalt, Germany
Guimaraes, Braga, Portugal
Munich, Bavaria, Germany
Bratislava, Bratislava Region, Slovakia
Lausanne, Vaud, Switzerland
Podgorica, Montenegro
