It suggests a medieval fort seen from above.

On the Amelungsberg there are still the ruins of a medieval fort and a stone age megalith.

It is well known for the remains of a medieval fort in the center of the town.

This fort complex is considered as the biggest medieval fort of eastern India.

Dun is a generic term for an ancient or medieval fort.

Ruins of a medieval fort too exist here.

It may have been built on the site of an early medieval fort (hence, the dun in the place-name).

An island in the nearby lake Sjönevad hosts the remains of a minor medieval fort.

Ruins of a medieval fort is also found there.

The building in a Renaissance style was located on the river island at the site of the former medieval fort.