Saint-Yvi (; before September 2005: Saint-Yvy, ) is a commune in the Finistère department of Brittany in north-western France. Population Inhabitants of Saint-Yvi are called in French Saint-Yviens. The population has been increasing quickly since the year 1975. Geography Saint-Yvi is located east of Quimper. Historically, the town belongs to Cornouaille. The river Jet forms its northern border. Map See also Communes of the Finistère department References External links Mayors of Finistère Association Communes of Finistère