Inn District, Switzerland
Inn District is a former administrative district in the canton of Graubünden, Switzerland. It had an area of and had a population of 9,476 in 2015. It was replaced with the Engiadina Bassa/Val Müstair Region on 1 January 2017 as part of a reorganization of the Canton.
It consisted of four Kreise and seven municipalities:
| Municipality | Population | Area |
| Samnaun | 56.18 | |
| Valsot |
| Municipality | Population | Area |
| Scuol | 144.14 |
| Municipality | Population | Area |
| Lavin | 46.18 | |
| Susch | 93.95 | |
| Zernez | 203.91 |
| Municipality | Population | Area |
| Val Müstair | 198.65 |
Mergers and name changes
- In 2009 Fuldera, Lü, Müstair, Santa Maria Val Müstair, Tschierv and Valchava merged to form the municipality of Val Müstair.
- On 1 January 2013 the municipalities of Romosch and Tschlin merged to form the new municipality of Valsot.
- On 1 January 2015 the former municipalities of Ardez, Guarda, Tarasp, Ftan and Sent merged into the municipality of Scuol.