https://github.com/datamapio/geoid/blob/master/CH/canton/ch_canton.csv
https://github.com/datamapio/geoid/blob/master/CH/district/ch_district_2016.csv
https://github.com/datamapio/geoid/blob/master/CH/municipality/ch_municipality_2016.csv
2352 Municipalities + 4 Kommunanzen
https://github.com/datamapio/geoid/blob/master/CH/municipality/2014/ch_municipality_2014_with_4_kommunanzen.csv
Election Specific (with Swiss Abroad)
https://github.com/datamapio/geoid/blob/master/CH/municipality/2014/ch_municipality_2014_with_swiss_abroad.csv
See the Lookup for the construction of the GeoID and the REF File.
http://www.bfs.admin.ch/bfs/portal/de/index/infothek/nomenklaturen/blank/blank/gem_liste/03.html
Upcoming Changes in 2016 (there are a lot)
http://www.bfs.admin.ch/bfs/portal/de/index/infothek/nomenklaturen/blank/blank/gem_liste/03.Document.112644.pdf