1 files changed, 31 insertions, 0 deletions

diff --git a/README.md b/README.md
index 3410ba4..c49c89f 100644
--- a/README.md
+++ b/README.md
@@ -75,3 +75,34 @@ timewarrior users to identify their state.
 | at-VA | Vorarlberg          | AT-8 |
 | at-WI | Vienna (Wien)       | AT-9 |
 
+#### Switzerland
+
+|  ISO  | State                  |
+| :---: | ---------------------- |
+| ch-AG | Aargau                 |
+| ch-AI | Appenzell Innerrhoden  |
+| ch-AR | Appenzell Ausserrhoden |
+| ch-BL | Basel-Landschaft       |
+| ch-BS | Basel-Stadt            |
+| ch-BE | Bern                   |
+| ch-FR | Freiburg (Fribourg)    |
+| ch-GE | Genf (Génève)          |
+| ch-GL | Glarus                 |
+| ch-GR | Graubünden             |
+| ch-JU | Jura                   |
+| ch-LU | Luzern (Lucerne)       |
+| ch-NE | Neuenburg (Neuchâtel)  |
+| ch-NW | Nidwalden              |
+| ch-OW | Obwalden               |
+| ch-SH | Schaffhausen           |
+| ch-SZ | Schwyz                 |
+| ch-SO | Solothurn              |
+| ch-SG | St. Gallen             |
+| ch-TI | Tessin (Ticino)        |
+| ch-TG | Thurgau                |
+| ch-UR | Uri                    |
+| ch-VD | Waadt                  |
+| ch-VS | Wallis (Vallese)       |
+| ch-ZG | Zug                    |
+| ch-ZH | Zürich (Zurigo)        |
+