Tunsberghus

Tønsberg Fortress, historically known as Tunsberghus, was a prominent medieval castle located in Tønsberg, Norway. While the town itself dates back to 871 and is considered the oldest in Norway, the fortress was originally constructed in the 13th century by King Haakon IV. The structure exemplified medieval military architecture, featuring extensive curtain walls, watchtowers, residential halls, and a church. It was strategically situated at one of the nation's most important harbors, serving as a critical trading center and the site of the Haugating assembly, where kings were traditionally proclaimed.

The fortress held immense historical significance as a royal residence and administrative hub for centuries. It was expanded under Kings Haakon IV and Magnus VI, becoming Norway's largest castle during the 13th century. Notably, it was the death place of Haakon V Magnusson in 1319, the last king of a fully independent Norway before the Kalmar Union. The site remained under royal control until it was brutally burnt down and destroyed by Swedish forces in 1503, marking the end of its active military use.

Today, only scattered ruins of the original Castrum Tunsbergis remain at the location. However, the site is commemorated by the Slottsfjellet tower, which was erected in 1888 as a memorial to the historic fortress. This modern structure features gilded signatures of three modern Norwegian monarchs and bears an inscription wishing the town prosperity for another thousand years. The area now serves as a cultural landmark and public park, preserving the memory of Tønsberg's vital role in Norwegian history while offering visitors a connection to the country's Viking and medieval past.