Hobro is a town in Denmark located on the Mariager Fjord with over 12,000 inhabitants. Ambu started in Hobro in 1920 as a fundraiser for an ambulance and has since become a tradition where people socialize and enjoy entertainment like music and rides. Nearby is Roldskov forest, which covers 80 square kilometers and contains two historic estates along with natural scenery and the legend of a witch named Dannie Druehyld.