Grenade-sur-l'AdourGrenade-sur-l'Adour is a commune in the Landes department in Nouvelle-Aquitaine in southwestern France.WWW grenadesuradour.frGeographyThe town is located between two larger towns of Aire-sur-l'Adour and Mont-de-Marsan.SightsAreas of interest include a 15th-century bastide and a Catholic church of the same era.