Tønsberghus

Tønsberghus is a medieval fortress located in Tønsberg, Norway. It was originally established as a royal castle and administrative center. The earliest construction is believed to have begun in the 11th century, although the exact date is uncertain. Over centuries, Tønsberghus grew to become one of the most important fortresses in Norway, serving as a residence for royalty and a strategic military stronghold.

The fortress underwent significant development and expansion during the medieval period. It played a crucial role in various Norwegian power struggles and conflicts. Notable historical figures, including Norwegian kings, resided at Tønsberghus. The castle was subjected to sieges and attacks throughout its history, reflecting its strategic importance.

By the 17th century, Tønsberghus began to decline in military significance as warfare evolved. Parts of the fortress were repurposed and others fell into disrepair. Today, Tønsberghus is primarily an archaeological site and a historical monument. Excavations have revealed foundations of various structures, including the main keep, walls, and outbuildings. The site is open to the public and offers a glimpse into Norway's medieval past. It is a protected cultural heritage site, managed by local authorities.