Ljubljana, Osrednjeslovenska, Slovenia
Valleiry, Auvergne-Rhône-Alpes, France
Brno, Jihomoravský kraj, Czech Republic
Lisboa, Lisboa, Portugal
Münster, North Rhine-Westphalia, Germany
Aveiro, Aveiro, Portugal
Bratislava, Bratislavský kraj, Slovakia
Napajedla, Zlin Region, Czech Republic
Antwerp, Flanders, Belgium
Torres Novas, Santarem, Portugal
Pforzheim, Baden-Württemberg, Germany
Maia, Porto, Portugal