Hinterrhein District

Hinterrhein District is a former administrative district in the canton of Graubünden, Switzerland. It had an area of 617.67 km2 and had a population of 13,179 in 2015. Much of the district became part of the Viamala Region on 1 January 2017 as part of a reorganization of the Canton.

Hinterrhein District consisted of five Kreise (sub-districts) and twenty-four municipalities. This number decreased from thirty-two when the municipalities of Portein, Präz, Sarn, and Tartar merged on 1 January 2010 into Cazis. It decreased further in 2015 when Almens, Paspels, Pratval, Rodels and Tomils merged to form the new municipality of Domleschg.


 * Includes the area of Portein, Präz, Sarn and Tartar which merged into Cazis on 1 January 2010.

Mergers

 * On 1 January 2003 the municipalities of Donath and Patzen-Fardün became part of Donat.
 * On 1 January 2006 Medels im Rheinwald became part of Splügen.
 * On 1 January 2009 Tomils was created through the merger of Feldis/Veulden, Scheid, Trans and Tumegl/Tomils.
 * On 1 January 2010 Portein, Präz, Sarn and Tartar merged into Cazis.
 * On 1 January 2015 Almens, Paspels, Pratval, Rodels and Tomils merged to form Domleschg.