The earliest cults of Saints in Ragusa

The peripheral zones where the Constantinopolitan and Roman ecclesiastical influences met often contain evidence of the intermingling of the cults characteristic of both Churches. The cult of St Pancratius, well established in Ragusa (Dubrovnik) during the Early Middle Ages, could be a good example for the studies on ecclesiastical matters in Dalmatia. The question is, when and under which political circumstances the cult of St Pancratius was established in Ragusa. Whether it was caused by unilateral action of Pope or joint policy of Constantinople and Rome