Ljubljana, Ljubljana, SLO
Podgorica, Podgorica Municipality, Montenegro
Ereğli, Zonguldak, Turkey
Brno, South Moravian Region, Czechia
Opole, Opole Voivodeship, Poland
Zagreb, City of Zagreb, Croatia
Belgrade, Serbia
Maribor, Administrative unit Maribor, Slovenia
Kraków, małopolskie, Poland
Istanbul, İstanbul, Turkey
Budapest, Hungary
