The fortress was built in the XIV century. By order of King Haakon V as a first powerful citadel of brick and stone, defending the Norwegian capital.

When King Christian IV in 1624, the castle was rebuilt and acquired a new look in the Renaissance style with luxurious rooms and dark dungeons, used since 1811 as a prison.

During World War II, Hitler's troops captured the fortress housed the German Gestapo. On the land area of ​​1 June 1989 for the first time in world history the head of the Roman Catholic Church, John Paul II celebrated a solemn Mass during his visit to Norway. In the chapel of the castle are buried royals Norwegian monarchy, including Sigurd I and Håkon V.

Currently, the fortress maintained its military and national importance. On its territory are located the Ministry of Defence and the Headquarters of the armed forces of Norway, the Norwegian Defense Museum and the Museum of the Popular Front, arranged receptions of national importance. Climbing up the ancient walls of the castle, you will discover a magnificent overview of Oslo, Aker Brygge waterfront and bay.

Akershus Fortress is open daily for tourists and everyone.