The Prefecture was about a thousand kilometers long and from 150 to 200 kilometers wide. In 1856 the Capuchin Missionaries founded houses even beyond the territory of the Prefecture: in Bulgaria (Varna and Burgas) and in Rumania (Costance).
Gli stessi missionari cappuccini fra il 1857 e il 1860 fondarono casa anche oltre il territorio della Prefettura: in Bulgaria (Varna e Burgas) e in Romania (Costanza).