Olavinlinna Castle (Finland)

The castle of St. Olaf - was founded in 1475 by Erik Axelsson Tott. The castle served to fend off attacks from the east and to ensure the control of the Savo region for the Swedish Krona. The medieval castle consists of a main castle with three towers and a bastion with a wall strengthened by towers. The castle went through several phases of construction, first as Swedish and since 1743 as a border fortification with Russia. It 'was one of the most popular tourist attractions in Finland since the latter 19th century. It houses a restaurant and the festival halls.