 |
| Nation | State | State city |
| Greece | West Macedonia | Kozani |
| Greece | West Greece | Patras |
| Greece | Thessaly | Larissa |
| Greece | South Aegean | Ermoupoli |
| Greece | Peloponnese | Tripoli |
| Greece | North Aegean | Mytilene |
| Greece | Ionian Islands | Corfu |
| Greece | Epirus | Ioannina |
| Greece | East Macedonia and Thrace | Komotini |
| Greece | Crete | Heraklion |
| Greece | Central Macedonia | Thessaloniki |
| Greece | Central Greece | Lamia |
| Greece | Attica | Athens |
| Norway | Finnmark | Vadsø |
| Norway | Svalvard | Longyearbyen |
| Croatia | Czech | Denmark |
| Finland | Greece | Iceland |
| Ireland | Japan | Korea |
| Liechtenstein | Netherlands | New Zealand |
| Norway | Peru | Spain |
| Sweden | Swiss | USA |