Sofia, Sofia City Province, Bulgaria
Cologne, North Rhine-Westphalia, Germany
Clermont-Ferrand, Auvergne-Rhône-Alpes, France
Kaunas, Kaunas County, Lithuania
Iasi, Iasi, Romania
Copenhagen, Capital Region of Denmark, Denmark
Nice, Provence-Alpes-Côte d'Azur, France
Lekeitio, Bizkaia, Spain
Vantaa, Uusimaa, Finland
Iași County, Romania
Balti, Balti, Moldova, Republic of