Cluj-Napoca, Cluj, Romania
Vienna, Vienna, Austria
Warsaw, Mazovia, Poland
Barcelona, Catalonia, Spain
Rome, Lazio, Italy
Valmiera, Valmiera, Latvia
Ikskile, Latvia, Latvia
Potsdam, Brandenburg, Germany
Vilnius, Vilnius County, Lithuania
Rīga, Rīgas pilsēta, Latvia
Kaiserslautern, Rhineland-Palatinate, Germany
Gdansk, Pomerania, Poland