Sofia, Sofia-city, Bulgaria
Thessaloniki, Greece
Guca, Central Serbia, Serbia
Volos, Thessalia Sterea Ellada, Greece
Madrid, Community of Madrid, Spain
Thessaloniki, Decentralized Administration of Macedonia and Thrace, Greece
Cologne, Germany
Thessaloniki, Makedonia Thraki, Greece
Villeurbanne, Auvergne-Rhône-Alpes, France
Ioannina, Greece
Zografou, Greece