Valencia, Valencian Community, Spain
Erfurt, Thuringia, Germany
Lübeck, Schleswig-Holstein, Germany
Bornova, Izmir, Turkey
Dublin, Dublin, Ireland (Republic of)
Van, Van, Turkey
Cesis, Latvia, Latvia
Braga, Braga, Portugal
Gothenburg, Vastra Gotaland, Sweden
Wiesbaden, Hesse, Germany
Thessaloniki, Central Macedonia, Greece
Riga, Riga, Latvia