Sofia, Sofia, Bulgaria
Skopje, Skopje, Macedonia, the Former Yugoslav Republic Of
Poznan, Greater Poland, Poland
Rijeka, Primorje-Gorski Kotar, Croatia
Timisoara, Timis, Romania
Petrovaradin, Vojvodina, Serbia
Osijek, Osijek-Baranja, Croatia
Split, Split-Dalmatia, Croatia
Novi Sad, Vojvodina, Serbia
Bydgoszcz, Kujawy-Pomerania, Poland
