Redon Abbey, or Abbey of Saint-Sauveur, Redon ("Abbey of the Holy Saviour"; French: Abbaye Saint-Sauveur de Redon), in Redon in the present Ille-et-Vilaine, Brittany, France, is a former Benedictine abbey founded in 832 by Saint Conwoïon, at the point where the Oust flows into the Vilaine, on the border between Neustria and Brittany.