Pleslin-TrigavouPleslin-Trigavou is a commune in the Côtes-d'Armor department of Brittany in northwestern France. It was created in 1973 by the merger of two former communes: Pleslin and Trigavou.WWW pleslin-trigavou.frPopulationInhabitants of Pleslin-Trigavou are called pleslinois-trigavouais or pleslinais-trigavouais in French.