Tréguennec (; ) is a commune in the Finistère department of Brittany in north-western France. Population Inhabitants of Tréguennec are called in French Tréguennecois. The Chapelle de Saint-Vio is named after Saint Vouga. See also Communes of the Finistère department List of the works of the Maître de Plougastel References External links Official website Mayors of Finistère Association Communes of Finistère