GuilersGuilers is a commune in the Finistère department of Brittany in north-western France.WWW Official SiteYT UCMDRwpxJDq8FZqtX2ZoIkUgPopulationInhabitants of Guilers are called in French Guilériens.Breton languageIn 2008, 7.02% of primary-school children attended bilingual schools, where Breton language is taught alongside French.