Saint-Samson-sur-Rance is a commune in the Côtes-d'Armor department of Brittany in northwestern France. Inhabitants of Saint-Samson-sur-…Saint-Samson-sur-Rance is a commune in the Côtes-d'Armor department of Brittany in northwestern France. Inhabitants of Saint-Samson-sur-Rance are called samsonnais in French.