Örebro castle, Sweden is a medieval castle fortification in Örebro, Närke, Sweden. It was expanded during the reign of the royal family Vasa and finally rebuilt about The castle lies on an island in river Svartån.
Just because the castle belongs to Olaf. Olaf's Castle - was founded in 1475 by Erik Axelsson Tott. The castle served to repel attacks from the east and to guarantee control of the Savo region for the Swedish Crown.