Groningen, Groningen, Netherlands
Thessaloniki, Central Macedonia, Greece
Santiago de Compostela, Galicia, Spain
Ioannina, Greece
Salzburg, Salzburg, Austria
Vilnius, Vilnius County, Lithuania
Kalamaria, Greece
Oreokastro, Greece
Thessaloniki, Makedonia Thraki, Greece
Brussels, Brussels, Belgium
Thessaloniki, Makedonia, Greece
Thessaloniki, Decentralized Administration of Macedonia and Thrace, Greece