Szolnok, Jász-Nagykun-Szolnok, Hungary
Trento, Trentino-Alto Adige/South Tyrol, Italy
Struga, Struga, North Macedonia
Basque Country, Spain
Tromsø, Troms, Norway
Madrid, Community of Madrid, Spain
Hernani, Basque Country, Spain
Düsseldorf, North Rhine Westphalia, Germany
Ljubljana, Osrednjeslovenska, Slovenia
Albacete, Castile-La Mancha, Spain
Lisbon, Lisbon, Portugal
Gdansk, Pomerania, Poland
