Viamala Region
Viamala Region is one of the eleven regions of the canton of Graubünden in Switzerland. It has an area of and a population of . It was created on 1 January 2017 as part of a reorganization of the Canton.
| Municipality | Population | Area |
| Fürstenau | ||
| Rothenbrunnen | ||
| Scharans | ||
| Sils im Domleschg | ||
| Cazis | ||
| Flerden | ||
| Masein | ||
| Thusis | ||
| Tschappina | ||
| Urmein | ||
| Domleschg | ||
| Avers | ||
| Rheinwald | ||
| Sufers | ||
| Andeer | ||
| Muntogna da Schons | ||
| Rongellen | ||
| Zillis-Reischen | ||
| Ferrera |
Mergers
- On 1 January 2018, the former municipality of Mutten merged into the municipality of Thusis.
- On 1 January 2019, the former municipalities of Hinterrhein, Nufenen and Splügen merged into the new municipality of Rheinwald.
- On 1 January 2021, the former municipalities of Casti-Wergenstein, Donat, Lohn and Mathon merged to form the new municipality of Muntogna da Schons.