Amman, Amman Governorate, Jordan
Tübingen, Baden-Württemberg, Germany
Guimaraes, Portugal
Thessaloniki, Decentralized Administration of Macedonia and Thrace, Greece
Izmir, İzmir, Turkey
Sofia, Sofia City Province, Bulgaria
Tianjin, Tianjin, China
Tirana, Tirana County, Albania
Madrid, Spain
Iasi, Iasi, Romania
Piedmont, Italy
