Thessaloniki, Makedonia Thraki, Greece
Leduc, Alberta, Canada
Vienna, Vienna, Austria
Thessaloniki, Decentralized Administration of Macedonia and Thrace, Greece
Copenhagen, Capital Region of Denmark, Denmark
Patras, Western Greece, Greece
Ioannina, Ipiros Ditiki Makedonia, Greece
Brno, South Moravian Region, Czech Republic
Barcelona, Catalunya, Spain
Trondheim, Sor-Trondelag, Norway