Chania, Crete Region, Greece
Athens, Attica, Greece
Administrative unit Maribor, Slovenia
Bratislava, Bratislava, Slovakia
Alexandroupoli , Evros, Decentralized Administration of Macedonia and Thrace, Greece
Leipzig, Sachsen, Germany
Barcelona, Catalunya, Spain
Maribor, Podravska, Slovenia
Domžale, Domžale, Slovenia
Kranj, Ljubljana, Slovenia
