| Largest City | Country |
| Split | |
| Rotterdam | |
| Cork | |
| Tiraspol | |
| Novi Sad | |
| Cluj-Napoca | |
| Birmingham | |
| Bergen | |
| Saint Petersburg | |
| Esch-Alzette | |
| Marseille | |
| Kaunas | |
| Kópavogur | |
| Milan | |
| Maribor | |
| Hamburg | |
| Banja Luka | |
| Porto | |
| Plovdiv | |
| Schaan | |
| Limassol | |
| Nikšić | |
| Kharkiv | |
| | Largest City | Country |
| Durrës | |
| Thessaloníki | |
| Göteborg | |
| Prizren | |
| Gomel | |
| Daugavpils | |
| Kumanovo | |
| Antwerp | |
| Espoo | |
| Graz | |
| Barcelona | |
| Borgo Maggiore | |
| Kraków | |
| Les Escaldes | |
| Zurich | |
| Birkirkara | |
| Aarhus | |
| Košice | |
| Brno | |
| Istanbul | |
| Tartu | |
| Debrecen | |
|