diff --git a/odoo/addons/base/data/res.country.state.csv b/odoo/addons/base/data/res.country.state.csv
index 453916bab1b..6a880aa042b 100644
--- a/odoo/addons/base/data/res.country.state.csv
+++ b/odoo/addons/base/data/res.country.state.csv
@@ -210,17 +210,17 @@ state_jp_jp-07,jp,"Fukushima","07"
 state_jp_jp-21,jp,"Gifu","21"
 state_jp_jp-10,jp,"Gunma","10"
 state_jp_jp-34,jp,"Hiroshima","34"
-state_jp_jp-01,jp,"Hokkaidō","01"
-state_jp_jp-28,jp,"Hyōgo","28"
+state_jp_jp-01,jp,"Hokkaido","01"
+state_jp_jp-28,jp,"Hyogo","28"
 state_jp_jp-08,jp,"Ibaraki","08"
 state_jp_jp-17,jp,"Ishikawa","17"
 state_jp_jp-03,jp,"Iwate","03"
 state_jp_jp-37,jp,"Kagawa","37"
 state_jp_jp-46,jp,"Kagoshima","46"
 state_jp_jp-14,jp,"Kanagawa","14"
-state_jp_jp-39,jp,"Kōchi","39"
+state_jp_jp-39,jp,"Kochi","39"
 state_jp_jp-43,jp,"Kumamoto","43"
-state_jp_jp-26,jp,"Kyōto","26"
+state_jp_jp-26,jp,"Kyoto","26"
 state_jp_jp-24,jp,"Mie","24"
 state_jp_jp-04,jp,"Miyagi","04"
 state_jp_jp-45,jp,"Miyazaki","45"
@@ -228,10 +228,10 @@ state_jp_jp-20,jp,"Nagano","20"
 state_jp_jp-42,jp,"Nagasaki","42"
 state_jp_jp-29,jp,"Nara","29"
 state_jp_jp-15,jp,"Niigata","15"
-state_jp_jp-44,jp,"Ōita","44"
+state_jp_jp-44,jp,"Oita","44"
 state_jp_jp-33,jp,"Okayama","33"
 state_jp_jp-47,jp,"Okinawa","47"
-state_jp_jp-27,jp,"Ōsaka","27"
+state_jp_jp-27,jp,"Osaka","27"
 state_jp_jp-41,jp,"Saga","41"
 state_jp_jp-11,jp,"Saitama","11"
 state_jp_jp-25,jp,"Shiga","25"
@@ -241,7 +241,7 @@ state_jp_jp-09,jp,"Tochigi","09"
 state_jp_jp-36,jp,"Tokushima","36"
 state_jp_jp-31,jp,"Tottori","31"
 state_jp_jp-16,jp,"Toyama","16"
-state_jp_jp-13,jp,"Tōkyō","13"
+state_jp_jp-13,jp,"Tokyo","13"
 state_jp_jp-30,jp,"Wakayama","30"
 state_jp_jp-06,jp,"Yamagata","06"
 state_jp_jp-35,jp,"Yamaguchi","35"