Dun () is a commune in the Ariège department in the Occitanie region in southwestern France.Commune de Dun (09107), INSEE In 1973, the commune Dun was expanded with the former communes Merviel, Engraviès and Senesse-de-Senabugue.Modifications aux circonscriptions administratives territoriales (fusion de communes), Journal officiel de la République française n° 0009, 11 January 1973, p. 502.
Population
See also Communes of the Ariège department
References