Aalborg, Aalborg Municipality, Denmark
Burgas, Burgas, Bulgaria
Aalborg, North Denmark Region, Denmark
Chicago, IL, USA
Silistra, Silistra, Bulgaria
Groningen, Groningen, Netherlands
Aarhus, Central Denmark Region, Denmark
Liptovský Mikuláš, Žilina, Slovakia
Istanbul, İstanbul, Turkey
Special Capital Region of Jakarta, Indonesia