diff --git a/CHANGELOG.md b/CHANGELOG.md
index f6a2a9a94..f964c9cae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Fixed
+
+- Fixed an issue with the localization of the country names
+
 ## 3.12.0 - 2026-06-17
 
 ### Changed
diff --git a/apps/client/src/app/components/admin-market-data/asset-profile-dialog/asset-profile-dialog.component.ts b/apps/client/src/app/components/admin-market-data/asset-profile-dialog/asset-profile-dialog.component.ts
index ce997cf27..829129b38 100644
--- a/apps/client/src/app/components/admin-market-data/asset-profile-dialog/asset-profile-dialog.component.ts
+++ b/apps/client/src/app/components/admin-market-data/asset-profile-dialog/asset-profile-dialog.component.ts
@@ -373,7 +373,7 @@ export class GfAssetProfileDialogComponent implements OnInit {
         ) {
           for (const { code, weight } of this.assetProfile.countries) {
             this.countries[code] = {
-              name: getCountryName({ code, locale: this.data.locale }),
+              name: getCountryName({ code }),
               value: weight
             };
           }
diff --git a/apps/client/src/app/components/admin-market-data/asset-profile-dialog/asset-profile-dialog.html b/apps/client/src/app/components/admin-market-data/asset-profile-dialog/asset-profile-dialog.html
index d9a5354e5..453b8cb6a 100644
--- a/apps/client/src/app/components/admin-market-data/asset-profile-dialog/asset-profile-dialog.html
+++ b/apps/client/src/app/components/admin-market-data/asset-profile-dialog/asset-profile-dialog.html
@@ -271,8 +271,7 @@
                       [locale]="data.locale"
                       [value]="
                         getCountryName({
-                          code: assetProfile?.countries[0].code,
-                          locale: data.locale
+                          code: assetProfile?.countries[0].code
                         })
                       "
                       >Country</gf-value
diff --git a/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.component.ts b/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.component.ts
index 08c8a7a1e..b8dede2cd 100644
--- a/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.component.ts
+++ b/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.component.ts
@@ -438,10 +438,7 @@ export class GfHoldingDetailDialogComponent implements OnInit {
           if (SymbolProfile?.countries?.length > 0) {
             for (const country of SymbolProfile.countries) {
               this.countries[country.code] = {
-                name: getCountryName({
-                  code: country.code,
-                  locale: this.data.locale
-                }),
+                name: getCountryName({ code: country.code }),
                 value: country.weight
               };
             }
diff --git a/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.html b/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.html
index 609eec3c0..0d5691874 100644
--- a/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.html
+++ b/apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.html
@@ -274,8 +274,7 @@
                       [locale]="data.locale"
                       [value]="
                         getCountryName({
-                          code: SymbolProfile.countries[0].code,
-                          locale: data.locale
+                          code: SymbolProfile.countries[0].code
                         })
                       "
                       >Country</gf-value
diff --git a/apps/client/src/app/pages/portfolio/allocations/allocations-page.component.ts b/apps/client/src/app/pages/portfolio/allocations/allocations-page.component.ts
index 26601ad59..9aab27dc0 100644
--- a/apps/client/src/app/pages/portfolio/allocations/allocations-page.component.ts
+++ b/apps/client/src/app/pages/portfolio/allocations/allocations-page.component.ts
@@ -399,10 +399,7 @@ export class GfAllocationsPageComponent implements OnInit {
                 : position.valueInPercentage);
           } else {
             this.countries[code] = {
-              name: getCountryName({
-                code,
-                locale: this.user?.settings?.locale
-              }),
+              name: getCountryName({ code }),
               value:
                 weight *
                 (isNumber(position.valueInBaseCurrency)
diff --git a/apps/client/src/app/pages/resources/personal-finance-tools/product-page.component.ts b/apps/client/src/app/pages/resources/personal-finance-tools/product-page.component.ts
index 0dd14485f..1af3c6d54 100644
--- a/apps/client/src/app/pages/resources/personal-finance-tools/product-page.component.ts
+++ b/apps/client/src/app/pages/resources/personal-finance-tools/product-page.component.ts
@@ -33,7 +33,6 @@ export class GfProductPageComponent implements OnInit {
   ) {}
 
   public ngOnInit() {
-    const locale = document.documentElement.lang;
     const { subscriptionOffer } = this.dataService.fetchInfo();
 
     this.price = subscriptionOffer?.price;
@@ -57,7 +56,7 @@ export class GfProductPageComponent implements OnInit {
         'Türkçe'
       ],
       name: 'Ghostfolio',
-      origin: getCountryName({ locale, code: 'CH' }),
+      origin: getCountryName({ code: 'CH' }),
       regions: [$localize`Global`],
       slogan: 'Open Source Wealth Management',
       useAnonymously: true
@@ -70,10 +69,7 @@ export class GfProductPageComponent implements OnInit {
     };
 
     if (this.product2.origin) {
-      this.product2.origin = getCountryName({
-        locale,
-        code: this.product2.origin
-      });
+      this.product2.origin = getCountryName({ code: this.product2.origin });
     }
 
     if (this.product2.regions) {
diff --git a/libs/common/src/lib/helper.ts b/libs/common/src/lib/helper.ts
index 68b8c51bd..a29129f91 100644
--- a/libs/common/src/lib/helper.ts
+++ b/libs/common/src/lib/helper.ts
@@ -258,15 +258,13 @@ export function getCurrencyFromSymbol(aSymbol = '') {
   return aSymbol.replace(DEFAULT_CURRENCY, '');
 }
 
-export function getCountryName({
-  code,
-  locale = getLocale()
-}: {
-  code: string;
-  locale?: string;
-}): string {
+export function getCountryName({ code }: { code: string }): string {
   try {
-    return new Intl.DisplayNames([locale], { type: 'region' }).of(code) ?? code;
+    return (
+      new Intl.DisplayNames([document.documentElement.lang || locale], {
+        type: 'region'
+      }).of(code) ?? code
+    );
   } catch {
     return code;
   }
diff --git a/libs/ui/src/lib/world-map-chart/world-map-chart.component.ts b/libs/ui/src/lib/world-map-chart/world-map-chart.component.ts
index 0d5eb7387..899441b7b 100644
--- a/libs/ui/src/lib/world-map-chart/world-map-chart.component.ts
+++ b/libs/ui/src/lib/world-map-chart/world-map-chart.component.ts
@@ -95,7 +95,7 @@ export class GfWorldMapChartComponent implements OnChanges, OnDestroy {
     this.svgMapElement.options.countryNames = Object.keys(
       this.svgMapElement.countries
     ).reduce<{ [code: string]: string }>((names, code) => {
-      names[code] = getCountryName({ code, locale: this.locale });
+      names[code] = getCountryName({ code });
 
       return names;
     }, {});