Brasília, Federal District, Brazil
Alexandroupolis, Makedonia Thraki, Greece
Saint Petersburg, Saint Petersburg, Russian Federation
Sopot, Pomeranian Voivodeship, Poland
Bucharest, Bucharest, Romania
Thessaloniki, Decentralized Administration of Macedonia and Thrace, Greece
Sofia, Sofia City Province, Bulgaria
Barcelona, Catalunya, Spain
Agia Paraskevi, Attica, Greece
Ischia, Naples, Italy
Bologna, Emilia-Romagna, Italy
Gyumri, Armenia
