Ostroleka, Mazovia, Poland
Kumanovë, Komuna e Kumanovës, Macedonia (the former Yugoslav Republic of)
Leipzig, Sachsen, Germany
Brussels, Brussels-Capital Region, Belgium
Brabrand, Aarhus Municipality, Denmark
Bratislava, Bratislava Region, Slovakia
Warsaw, Masovian Voivodeship, Poland
Gdynia, Pomerania, Poland
Rijswijk, South Holland, Netherlands
Gabrovo, Bulgaria
Warsaw, Mazovia, Poland
Roeselare, Roeselare, Belgium