It has about 1,600 people and lies in the Leventina valley.
History
The municipality was first noted in 1171 as Faedo.
In the spring of 2004, the people voted for merging the neighboring municipalities of Chiggiogna, Osco, Mairengo, Calpiogna, Campello, Rossura, Calonico, Anzonico, Cavagnago, and Sobrio. Most of the municipalities did not want to do that, and the new municipality contains only the municipalities of Faido, Chiggiogna, Rossura, and Calonico. On 1 April 2012, the former municipalities of Anzonico, Calpiogna, Campello, Cavagnago, Chironico, Mairengo and Osco merged into the municipality.[3] On 10 April 2016, Sobrio merged into the municipality.[4]