Operational zones Date of establishment Preceded by Succeeded by 1943-09-10 Province of Gorizia, Kingdom of Italy Operational Zone of the Adriatic Littoral Province of Ljubljana, Kingdom of Italy Province of Pola, Kingdom of Italy Province of Fiume, Kingdom of Italy Province of Trieste, Kingdom of Italy Province of Udine, Kingdom of Italy Province of Belluno, Kingdom of Italy Operational Zone of the Alpine Foothills Province of Bolzano, Kingdom of Italy Province of Trento, Kingdom of Italy