Celje, Celje, Slovenia
Stockholms län, Sweden
Groningen, Groningen, Netherlands
Barcelona, Catalonia, Spain
Gunzenhausen, Bavaria, Germany
Maribor, Maribor, Slovenia
Nantes, Pays de la Loire, France
Ruše, Ruše, Slovenia
Utrecht, Utrecht, Netherlands
Tann, Zurich, Switzerland
Braga, Portugal
