diff --git a/odoo/addons/base/data/res.country.state.csv b/odoo/addons/base/data/res.country.state.csv
index cab15c54415..9ba5cc21f24 100644
--- a/odoo/addons/base/data/res.country.state.csv
+++ b/odoo/addons/base/data/res.country.state.csv
@@ -1425,4 +1425,29 @@ state_ec_21,base.ec,Sucumbios,21
 state_ec_22,base.ec,Orellana,22
 state_ec_23,base.ec,Santo Domingo de los Tsachilas,23
 state_ec_24,base.ec,Santa Elena,24
-
+state_ch_zh,ch,"Zürich","ZH"
+state_ch_be,ch,"Bern","BE"
+state_ch_lu,ch,"Luzern","LU"
+state_ch_ur,ch,"Uri","UR"
+state_ch_sz,ch,"Schwyz","SZ"
+state_ch_ow,ch,"Obwalden","OW"
+state_ch_nw,ch,"Nidwalden","NW"
+state_ch_gl,ch,"Glarus","GL"
+state_ch_zg,ch,"Zug","ZG"
+state_ch_fr,ch,"Freiburg","FR"
+state_ch_so,ch,"Solothurn","SO"
+state_ch_bs,ch,"Basel-Stadt","BS"
+state_ch_bl,ch,"Basel-Landschaft","BL"
+state_ch_sh,ch,"Shaffhausen","SH"
+state_ch_ar,ch,"Appenzell Ausserrhoden","AR"
+state_ch_ai,ch,"Appenzell Innerrhoden","AI"
+state_ch_sg,ch,"St. Gallen","SG"
+state_ch_gr,ch,"Graubünden","GR"
+state_ch_ag,ch,"Aargau","AG"
+state_ch_tg,ch,"Thurgau","TG"
+state_ch_ti,ch,"Tessin","TI"
+state_ch_vd,ch,"Waadt","VD"
+state_ch_vs,ch,"Wallis","VS"
+state_ch_ne,ch,"Neuenburg","NE"
+state_ch_ge,ch,"Genf","GE"
+state_ch_ju,ch,"Jura","JU"
\ No newline at end of file