 After the 1803 secularisation, all Fiemme Valley estates were incorporated into the Austrian crown land of Tyrol.During the Fascist regime, Altrei from 1926 was part of the larger Capriana municipality within the Trentino province; it was again affiliated with South Tyrol according to the First Autonomy Statute of 1948.The emblem represents the ten farms built in 1321 that formed the core of Altrei.