former province of France and papal enclave, bounded on the north and northeast by Dauphine, on the south by the Durance River, on the east by Provence, and on the west by the Rhone River. It comprises the present departement of Vaucluse. Its capital was Carpentras. Comtat-Venaissin is a picturesque territory, varying in scenery between the foothills of the Alps and large plains, which are irrigated by canals supplied by the Rhone, Durance, and Sorgue rivers.
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