Dvigrad (tal. Duecastelli, Docastelli) are the ruins of a medieval town located in the Istrian county of Limska draga near Kanfanar.
An important historical-archeological site in the tourist offer of the Kanfanar municipality. The most prominent are the ruins of the last phase of the city's life located on the Moncastello hill. On the neighboring rocky spot, Castel Parentin (west of Moncastel), there was another fortress, abandoned already in the early Middle Ages.