diff --git a/base_country_state_translatable/i18n/ja.po b/base_country_state_translatable/i18n/ja.po
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+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# 	* base_country_state_translatable
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 18.0\n"
+"Report-Msgid-Bugs-To: \n"
+"Last-Translator: \n"
+"Language-Team: none\n"
+"Language: ja\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+#. module: base_country_state_translatable
+#: model:ir.model.fields,help:base_country_state_translatable.field_res_country_state__name
+msgid ""
+"Administrative divisions of a country. E.g. Fed. State, Departement, Canton"
+msgstr "国の行政区画。たとえば連邦、省、州。"
+
+#. module: base_country_state_translatable
+#: model:ir.model,name:base_country_state_translatable.model_res_country_state
+msgid "Country state"
+msgstr "都道府県"
+
+#. module: base_country_state_translatable
+#: model:ir.model.fields,field_description:base_country_state_translatable.field_res_country_state__name
+msgid "State Name"
+msgstr "都道府県名"