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.
Read more about this topic: Hinterrhein District