Dol-de-Bretagne, cited in most historical records under its Breton name of Dol, is a commune in the Ille-et-Vilaine département in Brittany in nor…Dol-de-Bretagne, cited in most historical records under its Breton name of Dol, is a commune in the Ille-et-Vilaine département in Brittany in northwestern France. Dol-de-Bretagne is situated in the northern part of the Ille-et-Vilaine department, 6 km from the English Channel coast and 22 km southeast of Saint-Malo. Dol-de-Bretagne station is served by high speed trains to Rennes and Paris, and regional trains to Saint-Malo, Saint-Brieuc, Granville and Rennes.