A fortified castle dating back to the medieval period, built on solid rock in the center of the town of Bazin, is the largest preserved castle in the Croatian province of Istria. Where the castle still retains its external structure as it is, after the castle building underwent several restoration and renovation operations during the eleventh century, which resulted in the current shape of the fort. The castle houses a historical museum that contains many stone carvings and fossils, in addition to many pieces of wooden or ceramic furniture.