Fideris (Romansh: Fadrein) is a Swiss village in the Prättigau and a municipality in the political district Prättigau/Davos Region in the canton of Graubünden.

Over the same time period the amount of forested land has increased by 65 ha (160 acres).

[5][6] Before 2017, the municipality was located in the Jenaz sub-district of the Prättigau/Davos district, after 2017 it was part of the Prättigau/Davos Region.

[7] It is a cross shaped linear village which lies on the Prättigau-Schanfigg route.

It consists of the village of Fideris which is made up of the sections of Strahlegg and Fideris-Au.

In 1994, devotees of the Skanda Vale spiritual community in Wales bought a chalet near Fideris, and in 2016 this was inaugurated as a temple in its own right, now called Somaskanda Ashram.

By the time of the Protestant Reformation the majority of the inhabitants of the village spoke German.

[13] Fideris is a mixed agro-industrial community, a municipality where agriculture and manufacturing play a significant role in the economy.

[17] In 2015 the average cantonal, municipal and church tax rate in the municipality for a couple with two children making SFr 80,000 was 4% while the rate for a single person making SFr 150,000 was 17.2%.

[19] The historical American Van Leer family claims lineage from this area through Swiss archives.