 The Prozor Fortress was expended while it was owned by Hrvoje Vukčić Hrvatinić at the end of 14th and early 15th centuries from the small stronghold built by the Illyrian tribe of Dalmatae.In Turkish times the "mahala", or the housing area of Vrlika fortress, developed around it.Prozor Fortress is dominated by the tall keep or donjon, around which is an open court with houses and a chapel.