The Pazin Castle (Croatian: Kaštel Pazin Italian: Castello di Pisino, german: Mitterburg) is a medieval fortification built on a solid rock situated in the middle of the town of Pazin, the administrative seat of Istria County, Croatia. It is the largest and best-preserved castle in that westernmost Croatian county. It overlooks the deep gorge of the Pazinčica Foiba river, a small karst subterranean river that disappears there through sinkhole and continues underground. The fortified structure was constructed of hewn stone, and, during its 11-century-long history, subjected to several major reconstructions and renovations. There are two museums to be visited in Pazin's castle, the Ethnographic Museum of Istria and the Pazin Town Museum. [1] Source: Wikipedia (en)