 It consists of the village of Trun and the hamlets and settlements of Cumadé, Bardigliun, Campliun, Gravas, Caltgadira, Cartatscha, Flutginas, Darvella, Dadens as well as the village section of Zignau.The municipality is in a hazardous location, avalanches (Munt, Cavistrau), rock slides and flooding (Zavragia, Zinzera and Rhein rivers) all threaten the village.Until 1943 Trun was known as Truns.