CléderCléder is a commune in the Finistère department of Brittany in north-western France.WWW Official SitePopulationInhabitants of Cléder are called in French Clédérois.Breton languageIn 2008, 25.9% of primary-school children attended bilingual schools.International relationsCléder is twinned with Ashburton, Herleshausen and Taninges.