ISTRIADUCTION All Year | No Working time | Free Entrance   BOLJUN is an ancient little town in the northeast of Istria, in the Lupoglav Municipality. It was built around the well-preserved medieval castle. The town has a wide view of the Boljunčica Valley and the Učka mountain range. From the 15th to the end of the 17th century this not a town, not a village place reached the peak of its development. There was a judge and town mayors, numerous altars were taken care of by fraternities, glagolithic script was used and taught. Since then, Boljun has lost its importance and life has almost stopped. However, the town has not collapsed but surprises every tourist with pleasant prospects. Church of St. Cosmas and Damian dates back to the 12th century. It can be found at the entrance into the place, beside the former main gate (destroyed after World War I to allow large vehicles entry). A Glagolithic inscription dated 1543 was built next to the wall of the sacristy. Latin inscriptions (1698 above the entrance, 1705 on the triumphal arch) give evidence of later restorations of the church. The votive altar of Gaius Valerius Priscus, a