 The municipality of Truden contains the "frazioni" (subdivisions, mainly villages and hamlets) Kltenbrunn (Fontanefredde), Mühlen (Molini di Trodena), and San Lugano.The shield is barry of four of argent and gules and represents the crosier and the martyrdom hook, both of or in saltire with two palm branches on each side and a mitre over all.The emblem, granted in 1930, represents the insignia of Saint Blaise the patron saint.