diff --git a/packages/docusaurus-plugin-content-blog/src/__tests__/index.test.ts b/packages/docusaurus-plugin-content-blog/src/__tests__/index.test.ts
index e0440f26688c..4ec710ce0a39 100644
--- a/packages/docusaurus-plugin-content-blog/src/__tests__/index.test.ts
+++ b/packages/docusaurus-plugin-content-blog/src/__tests__/index.test.ts
@@ -71,7 +71,7 @@ const getPlugin = async (
   i18n: I18n = DefaultI18N,
 ) => {
   const generatedFilesDir: string = path.resolve(siteDir, '.docusaurus');
-  const i18nDir = path.join(siteDir, i18n.path, i18n.currentLocale);
+  const localizationDir = path.join(siteDir, i18n.path, i18n.currentLocale);
   const siteConfig = {
     title: 'Hello',
     baseUrl: '/',
@@ -83,7 +83,7 @@ const getPlugin = async (
       siteConfig,
       generatedFilesDir,
       i18n,
-      i18nDir,
+      localizationDir,
     } as LoadContext,
     validateOptions({
       validate: normalizePluginOptions as Validate<
diff --git a/packages/docusaurus-plugin-content-blog/src/index.ts b/packages/docusaurus-plugin-content-blog/src/index.ts
index 725451b2804b..f0c1f8cc24ed 100644
--- a/packages/docusaurus-plugin-content-blog/src/index.ts
+++ b/packages/docusaurus-plugin-content-blog/src/index.ts
@@ -59,7 +59,7 @@ export default async function pluginContentBlog(
     siteDir,
     siteConfig,
     generatedFilesDir,
-    i18nDir,
+    localizationDir,
     i18n: {currentLocale},
   } = context;
   const {onBrokenMarkdownLinks, baseUrl} = siteConfig;
@@ -67,7 +67,7 @@ export default async function pluginContentBlog(
   const contentPaths: BlogContentPaths = {
     contentPath: path.resolve(siteDir, options.path),
     contentPathLocalized: getPluginI18nPath({
-      i18nDir,
+      localizationDir,
       pluginName: 'docusaurus-plugin-content-blog',
       pluginId: options.id,
     }),
diff --git a/packages/docusaurus-plugin-content-docs/src/cli.ts b/packages/docusaurus-plugin-content-docs/src/cli.ts
index f49798f6e222..1818a3f4e22e 100644
--- a/packages/docusaurus-plugin-content-docs/src/cli.ts
+++ b/packages/docusaurus-plugin-content-docs/src/cli.ts
@@ -85,15 +85,15 @@ export async function cliDocsVersionCommand(
 
   await Promise.all(
     i18n.locales.map(async (locale) => {
-      // TODO duplicated logic from core; we need to support customization per-
-      // locale in the future
-      const i18nDir = path.resolve(siteDir, i18n.path, locale);
+      // TODO duplicated logic from core, so duplicate comment as well: we need
+      // to support customization per-locale in the future
+      const localizationDir = path.resolve(siteDir, i18n.path, locale);
       // Copy docs files.
       const docsDir =
         locale === i18n.defaultLocale
           ? path.resolve(siteDir, docsPath)
           : getDocsDirPathLocalized({
-              i18nDir,
+              localizationDir,
               pluginId,
               versionName: CURRENT_VERSION_NAME,
             });
@@ -116,7 +116,7 @@ export async function cliDocsVersionCommand(
         locale === i18n.defaultLocale
           ? getVersionDocsDirPath(siteDir, pluginId, version)
           : getDocsDirPathLocalized({
-              i18nDir,
+              localizationDir,
               pluginId,
               versionName: version,
             });
diff --git a/packages/docusaurus-plugin-content-docs/src/versions/__tests__/index.test.ts b/packages/docusaurus-plugin-content-docs/src/versions/__tests__/index.test.ts
index 2a44137f0153..a52ba1b7d186 100644
--- a/packages/docusaurus-plugin-content-docs/src/versions/__tests__/index.test.ts
+++ b/packages/docusaurus-plugin-content-docs/src/versions/__tests__/index.test.ts
@@ -38,7 +38,7 @@ describe('readVersionsMetadata', () => {
         siteDir: simpleSiteDir,
         baseUrl: '/',
         i18n: DefaultI18N,
-        i18nDir: path.join(simpleSiteDir, 'i18n/en'),
+        localizationDir: path.join(simpleSiteDir, 'i18n/en'),
       } as LoadContext;
 
       const vCurrent: VersionMetadata = {
@@ -200,7 +200,7 @@ describe('readVersionsMetadata', () => {
         siteDir: versionedSiteDir,
         baseUrl: '/',
         i18n: DefaultI18N,
-        i18nDir: path.join(versionedSiteDir, 'i18n/en'),
+        localizationDir: path.join(versionedSiteDir, 'i18n/en'),
       } as LoadContext;
 
       const vCurrent: VersionMetadata = {
@@ -639,7 +639,7 @@ describe('readVersionsMetadata', () => {
         siteDir: versionedSiteDir,
         baseUrl: '/',
         i18n: DefaultI18N,
-        i18nDir: path.join(versionedSiteDir, 'i18n/en'),
+        localizationDir: path.join(versionedSiteDir, 'i18n/en'),
       } as LoadContext;
 
       const vCurrent: VersionMetadata = {
diff --git a/packages/docusaurus-plugin-content-docs/src/versions/files.ts b/packages/docusaurus-plugin-content-docs/src/versions/files.ts
index b7a95975d8d6..2f045717c29e 100644
--- a/packages/docusaurus-plugin-content-docs/src/versions/files.ts
+++ b/packages/docusaurus-plugin-content-docs/src/versions/files.ts
@@ -55,16 +55,16 @@ export function getVersionSidebarsPath(
 }
 
 export function getDocsDirPathLocalized({
-  i18nDir,
+  localizationDir,
   pluginId,
   versionName,
 }: {
-  i18nDir: string;
+  localizationDir: string;
   pluginId: string;
   versionName: string;
 }): string {
   return getPluginI18nPath({
-    i18nDir,
+    localizationDir,
     pluginName: 'docusaurus-plugin-content-docs',
     pluginId,
     subPaths: [
@@ -172,7 +172,7 @@ export async function getVersionMetadataPaths({
 > {
   const isCurrent = versionName === CURRENT_VERSION_NAME;
   const contentPathLocalized = getDocsDirPathLocalized({
-    i18nDir: context.i18nDir,
+    localizationDir: context.localizationDir,
     pluginId: options.id,
     versionName,
   });
diff --git a/packages/docusaurus-plugin-content-docs/src/versions/index.ts b/packages/docusaurus-plugin-content-docs/src/versions/index.ts
index b4634b8d1ab1..d39bee56198d 100644
--- a/packages/docusaurus-plugin-content-docs/src/versions/index.ts
+++ b/packages/docusaurus-plugin-content-docs/src/versions/index.ts
@@ -49,7 +49,7 @@ function getVersionEditUrls({
   const editDirPath = options.editCurrentVersion ? options.path : contentPath;
   const editDirPathLocalized = options.editCurrentVersion
     ? getDocsDirPathLocalized({
-        i18nDir: context.i18nDir,
+        localizationDir: context.localizationDir,
         versionName: CURRENT_VERSION_NAME,
         pluginId: options.id,
       })
diff --git a/packages/docusaurus-plugin-content-pages/src/index.ts b/packages/docusaurus-plugin-content-pages/src/index.ts
index 97d0fa8a3e68..7480962d07cc 100644
--- a/packages/docusaurus-plugin-content-pages/src/index.ts
+++ b/packages/docusaurus-plugin-content-pages/src/index.ts
@@ -48,12 +48,12 @@ export default function pluginContentPages(
       [admonitions, options.admonitions],
     ]);
   }
-  const {siteConfig, siteDir, generatedFilesDir, i18nDir} = context;
+  const {siteConfig, siteDir, generatedFilesDir, localizationDir} = context;
 
   const contentPaths: PagesContentPaths = {
     contentPath: path.resolve(siteDir, options.path),
     contentPathLocalized: getPluginI18nPath({
-      i18nDir,
+      localizationDir,
       pluginName: 'docusaurus-plugin-content-pages',
       pluginId: options.id,
     }),
diff --git a/packages/docusaurus-types/src/index.d.ts b/packages/docusaurus-types/src/index.d.ts
index 2e47cca91a4c..f21b77f7a9de 100644
--- a/packages/docusaurus-types/src/index.d.ts
+++ b/packages/docusaurus-types/src/index.d.ts
@@ -425,7 +425,7 @@ export type LoadContext = {
    * Directory where all source translations for the current locale can be found
    * in. Constructed with `i18n.path` + `i18n.currentLocale.path` (e.g. i18n/en)
    */
-  i18nDir: string;
+  localizationDir: string;
   /**
    * Duplicated from `siteConfig.baseUrl`, but probably worth keeping. We mutate
    * `siteConfig` to make `baseUrl` there localized as well, but that's mostly
diff --git a/packages/docusaurus-utils/src/__tests__/i18nUtils.test.ts b/packages/docusaurus-utils/src/__tests__/i18nUtils.test.ts
index 93178e07d62c..6e8f4e198a7e 100644
--- a/packages/docusaurus-utils/src/__tests__/i18nUtils.test.ts
+++ b/packages/docusaurus-utils/src/__tests__/i18nUtils.test.ts
@@ -65,7 +65,7 @@ describe('getPluginI18nPath', () => {
   it('gets correct path', () => {
     expect(
       getPluginI18nPath({
-        i18nDir: '<SITE_DIR>/i18n/zh-Hans',
+        localizationDir: '<SITE_DIR>/i18n/zh-Hans',
         pluginName: 'plugin-content-docs',
         pluginId: 'community',
         subPaths: ['foo'],
@@ -77,7 +77,7 @@ describe('getPluginI18nPath', () => {
   it('gets correct path for default plugin', () => {
     expect(
       getPluginI18nPath({
-        i18nDir: '<SITE_DIR>/i18n/zh-Hans',
+        localizationDir: '<SITE_DIR>/i18n/zh-Hans',
         pluginName: 'plugin-content-docs',
         subPaths: ['foo'],
       }),
@@ -88,7 +88,7 @@ describe('getPluginI18nPath', () => {
   it('gets correct path when no sub-paths', () => {
     expect(
       getPluginI18nPath({
-        i18nDir: '<SITE_DIR>/i18n/zh-Hans',
+        localizationDir: '<SITE_DIR>/i18n/zh-Hans',
         pluginName: 'plugin-content-docs',
       }),
     ).toMatchInlineSnapshot(`"<SITE_DIR>/i18n/zh-Hans/plugin-content-docs"`);
diff --git a/packages/docusaurus-utils/src/i18nUtils.ts b/packages/docusaurus-utils/src/i18nUtils.ts
index cf2ea710b62f..8c706f1b8ce7 100644
--- a/packages/docusaurus-utils/src/i18nUtils.ts
+++ b/packages/docusaurus-utils/src/i18nUtils.ts
@@ -46,18 +46,18 @@ export function updateTranslationFileMessages(
  * expect everything it needs for translations to be found under this path.
  */
 export function getPluginI18nPath({
-  i18nDir,
+  localizationDir,
   pluginName,
   pluginId = DEFAULT_PLUGIN_ID,
   subPaths = [],
 }: {
-  i18nDir: string;
+  localizationDir: string;
   pluginName: string;
   pluginId?: string | undefined;
   subPaths?: string[];
 }): string {
   return path.join(
-    i18nDir,
+    localizationDir,
     // Make it convenient to use for single-instance
     // ie: return "docs", not "docs-default" nor "docs/default"
     `${pluginName}${pluginId === DEFAULT_PLUGIN_ID ? '' : `-${pluginId}`}`,
diff --git a/packages/docusaurus/src/commands/start.ts b/packages/docusaurus/src/commands/start.ts
index 7c060b2a8f05..b4eb42acf793 100644
--- a/packages/docusaurus/src/commands/start.ts
+++ b/packages/docusaurus/src/commands/start.ts
@@ -81,7 +81,7 @@ export async function start(
         logger.error(err.stack);
       });
   }, 500);
-  const {siteConfig, plugins, i18nDir} = props;
+  const {siteConfig, plugins, localizationDir} = props;
 
   const normalizeToSiteDir = (filepath: string) => {
     if (filepath && path.isAbsolute(filepath)) {
@@ -95,7 +95,7 @@ export async function start(
     .filter(Boolean)
     .map(normalizeToSiteDir);
 
-  const pathsToWatch = [...pluginPaths, props.siteConfigPath, i18nDir];
+  const pathsToWatch = [...pluginPaths, props.siteConfigPath, localizationDir];
 
   const pollingOptions = {
     usePolling: !!cliOptions.poll,
diff --git a/packages/docusaurus/src/commands/writeTranslations.ts b/packages/docusaurus/src/commands/writeTranslations.ts
index 91bb229fe425..d69014306fcf 100644
--- a/packages/docusaurus/src/commands/writeTranslations.ts
+++ b/packages/docusaurus/src/commands/writeTranslations.ts
@@ -47,11 +47,11 @@ async function getExtraSourceCodeFilePaths(): Promise<string[]> {
 }
 
 async function writePluginTranslationFiles({
-  i18nDir,
+  localizationDir,
   plugin,
   options,
 }: {
-  i18nDir: string;
+  localizationDir: string;
   plugin: InitializedPlugin;
   options: WriteTranslationsOptions;
 }) {
@@ -64,7 +64,7 @@ async function writePluginTranslationFiles({
     await Promise.all(
       translationFiles.map(async (translationFile) => {
         await writePluginTranslations({
-          i18nDir,
+          localizationDir,
           plugin,
           translationFile,
           options,
@@ -83,7 +83,7 @@ export async function writeTranslations(
     config: options.config,
     locale: options.locale,
   });
-  const {i18nDir} = context;
+  const {localizationDir} = context;
   const plugins = await initPlugins(context);
 
   const locale = options.locale ?? context.i18n.defaultLocale;
@@ -114,11 +114,11 @@ Available locales are: ${context.i18n.locales.join(',')}.`,
     defaultCodeMessages,
   });
 
-  await writeCodeTranslations({i18nDir}, codeTranslations, options);
+  await writeCodeTranslations({localizationDir}, codeTranslations, options);
 
   await Promise.all(
     plugins.map(async (plugin) => {
-      await writePluginTranslationFiles({i18nDir, plugin, options});
+      await writePluginTranslationFiles({localizationDir, plugin, options});
     }),
   );
 }
diff --git a/packages/docusaurus/src/server/index.ts b/packages/docusaurus/src/server/index.ts
index 11461b7130c4..b470b38ef145 100644
--- a/packages/docusaurus/src/server/index.ts
+++ b/packages/docusaurus/src/server/index.ts
@@ -85,11 +85,11 @@ export async function loadContext(
 
   const siteConfig: DocusaurusConfig = {...initialSiteConfig, baseUrl};
 
-  // TODO allow customizing i18nDir per-locale
-  const i18nDir = path.resolve(siteDir, i18n.path, i18n.currentLocale);
+  // TODO allow customizing localizationDir per-locale
+  const localizationDir = path.resolve(siteDir, i18n.path, i18n.currentLocale);
 
   const codeTranslationFileContent =
-    (await readCodeTranslationFileContent({i18nDir})) ?? {};
+    (await readCodeTranslationFileContent({localizationDir})) ?? {};
 
   // We only need key->message for code translations
   const codeTranslations = _.mapValues(
@@ -100,7 +100,7 @@ export async function loadContext(
   return {
     siteDir,
     generatedFilesDir,
-    i18nDir,
+    localizationDir,
     siteConfig,
     siteConfigPath,
     outDir,
@@ -126,7 +126,7 @@ export async function load(options: LoadContextOptions): Promise<Props> {
     outDir,
     baseUrl,
     i18n,
-    i18nDir,
+    localizationDir,
     codeTranslations: siteCodeTranslations,
   } = context;
   const {plugins, pluginsRouteConfigs, globalData} = await loadPlugins(context);
@@ -248,7 +248,7 @@ ${Object.entries(registry)
     outDir,
     baseUrl,
     i18n,
-    i18nDir,
+    localizationDir,
     generatedFilesDir,
     routes: pluginsRouteConfigs,
     routesPaths,
diff --git a/packages/docusaurus/src/server/plugins/index.ts b/packages/docusaurus/src/server/plugins/index.ts
index 06ad5fcef73c..73fba212b289 100644
--- a/packages/docusaurus/src/server/plugins/index.ts
+++ b/packages/docusaurus/src/server/plugins/index.ts
@@ -56,7 +56,7 @@ export async function loadPlugins(context: LoadContext): Promise<{
       const translationFiles = await Promise.all(
         rawTranslationFiles.map((translationFile) =>
           localizePluginTranslationFile({
-            i18nDir: context.i18nDir,
+            localizationDir: context.localizationDir,
             translationFile,
             plugin,
           }),
diff --git a/packages/docusaurus/src/server/translations/__tests__/translations.test.ts b/packages/docusaurus/src/server/translations/__tests__/translations.test.ts
index bdcae29c1656..7d2ce1cb2811 100644
--- a/packages/docusaurus/src/server/translations/__tests__/translations.test.ts
+++ b/packages/docusaurus/src/server/translations/__tests__/translations.test.ts
@@ -44,7 +44,7 @@ async function createTmpTranslationFile(
   }
 
   return {
-    i18nDir: path.join(siteDir, 'i18n/en'),
+    localizationDir: path.join(siteDir, 'i18n/en'),
     readFile() {
       return fs.readJSON(filePath);
     },
@@ -60,9 +60,9 @@ describe('writeCodeTranslations', () => {
   });
 
   it('creates new translation file', async () => {
-    const {i18nDir, readFile} = await createTmpTranslationFile(null);
+    const {localizationDir, readFile} = await createTmpTranslationFile(null);
     await writeCodeTranslations(
-      {i18nDir},
+      {localizationDir},
       {
         key1: {message: 'key1 message'},
         key2: {message: 'key2 message'},
@@ -82,9 +82,9 @@ describe('writeCodeTranslations', () => {
   });
 
   it('creates new translation file with prefix', async () => {
-    const {i18nDir, readFile} = await createTmpTranslationFile(null);
+    const {localizationDir, readFile} = await createTmpTranslationFile(null);
     await writeCodeTranslations(
-      {i18nDir},
+      {localizationDir},
       {
         key1: {message: 'key1 message'},
         key2: {message: 'key2 message'},
@@ -106,14 +106,14 @@ describe('writeCodeTranslations', () => {
   });
 
   it('appends missing translations', async () => {
-    const {i18nDir, readFile} = await createTmpTranslationFile({
+    const {localizationDir, readFile} = await createTmpTranslationFile({
       key1: {message: 'key1 message'},
       key2: {message: 'key2 message'},
       key3: {message: 'key3 message'},
     });
 
     await writeCodeTranslations(
-      {i18nDir},
+      {localizationDir},
       {
         key1: {message: 'key1 message new'},
         key2: {message: 'key2 message new'},
@@ -135,12 +135,12 @@ describe('writeCodeTranslations', () => {
   });
 
   it('appends missing.* translations with prefix', async () => {
-    const {i18nDir, readFile} = await createTmpTranslationFile({
+    const {localizationDir, readFile} = await createTmpTranslationFile({
       key1: {message: 'key1 message'},
     });
 
     await writeCodeTranslations(
-      {i18nDir},
+      {localizationDir},
       {
         key1: {message: 'key1 message new'},
         key2: {message: 'key2 message new'},
@@ -160,12 +160,12 @@ describe('writeCodeTranslations', () => {
   });
 
   it('overrides missing translations', async () => {
-    const {i18nDir, readFile} = await createTmpTranslationFile({
+    const {localizationDir, readFile} = await createTmpTranslationFile({
       key1: {message: 'key1 message'},
     });
 
     await writeCodeTranslations(
-      {i18nDir},
+      {localizationDir},
       {
         key1: {message: 'key1 message new'},
         key2: {message: 'key2 message new'},
@@ -185,12 +185,12 @@ describe('writeCodeTranslations', () => {
   });
 
   it('overrides missing translations with prefix', async () => {
-    const {i18nDir, readFile} = await createTmpTranslationFile({
+    const {localizationDir, readFile} = await createTmpTranslationFile({
       key1: {message: 'key1 message'},
     });
 
     await writeCodeTranslations(
-      {i18nDir},
+      {localizationDir},
       {
         key1: {message: 'key1 message new'},
         key2: {message: 'key2 message new'},
@@ -211,14 +211,14 @@ describe('writeCodeTranslations', () => {
   });
 
   it('always overrides message description', async () => {
-    const {i18nDir, readFile} = await createTmpTranslationFile({
+    const {localizationDir, readFile} = await createTmpTranslationFile({
       key1: {message: 'key1 message', description: 'key1 desc'},
       key2: {message: 'key2 message', description: 'key2 desc'},
       key3: {message: 'key3 message', description: undefined},
     });
 
     await writeCodeTranslations(
-      {i18nDir},
+      {localizationDir},
       {
         key1: {message: 'key1 message new', description: undefined},
         key2: {message: 'key2 message new', description: 'key2 desc new'},
@@ -238,9 +238,9 @@ describe('writeCodeTranslations', () => {
   });
 
   it('does not create empty translation files', async () => {
-    const {i18nDir, readFile} = await createTmpTranslationFile(null);
+    const {localizationDir, readFile} = await createTmpTranslationFile(null);
 
-    await writeCodeTranslations({i18nDir}, {}, {});
+    await writeCodeTranslations({localizationDir}, {}, {});
 
     await expect(readFile()).rejects.toThrowError(
       /ENOENT: no such file or directory, open /,
@@ -249,14 +249,14 @@ describe('writeCodeTranslations', () => {
   });
 
   it('throws for invalid content', async () => {
-    const {i18nDir} = await createTmpTranslationFile(
+    const {localizationDir} = await createTmpTranslationFile(
       // @ts-expect-error: bad content on purpose
       {bad: 'content'},
     );
 
     await expect(() =>
       writeCodeTranslations(
-        {i18nDir},
+        {localizationDir},
         {
           key1: {message: 'key1 message'},
         },
@@ -271,16 +271,16 @@ describe('writeCodeTranslations', () => {
 
 describe('writePluginTranslations', () => {
   it('writes plugin translations', async () => {
-    const i18nDir = await createTmpSiteDir();
+    const localizationDir = await createTmpSiteDir();
 
     const filePath = path.join(
-      i18nDir,
+      localizationDir,
       'my-plugin-name',
       'my/translation/file.json',
     );
 
     await writePluginTranslations({
-      i18nDir,
+      localizationDir,
       locale: 'fr',
       translationFile: {
         path: 'my/translation/file',
@@ -306,10 +306,10 @@ describe('writePluginTranslations', () => {
   });
 
   it('writes plugin translations consecutively with different options', async () => {
-    const i18nDir = await createTmpSiteDir();
+    const localizationDir = await createTmpSiteDir();
 
     const filePath = path.join(
-      i18nDir,
+      localizationDir,
       'my-plugin-name-my-plugin-id',
       'my/translation/file.json',
     );
@@ -319,7 +319,7 @@ describe('writePluginTranslations', () => {
       options?: WriteTranslationsOptions,
     ) {
       return writePluginTranslations({
-        i18nDir,
+        localizationDir,
         locale: 'fr',
         translationFile: {
           path: 'my/translation/file',
@@ -379,11 +379,11 @@ describe('writePluginTranslations', () => {
   });
 
   it('throws with explicit extension', async () => {
-    const i18nDir = await createTmpSiteDir();
+    const localizationDir = await createTmpSiteDir();
 
     await expect(() =>
       writePluginTranslations({
-        i18nDir,
+        localizationDir,
         locale: 'fr',
         translationFile: {
           path: 'my/translation/file.json',
@@ -407,7 +407,7 @@ describe('writePluginTranslations', () => {
 
 describe('localizePluginTranslationFile', () => {
   it('does not localize if localized file does not exist', async () => {
-    const i18nDir = await createTmpSiteDir();
+    const localizationDir = await createTmpSiteDir();
 
     const translationFile: TranslationFile = {
       path: 'my/translation/file',
@@ -419,7 +419,7 @@ describe('localizePluginTranslationFile', () => {
     };
 
     const localizedTranslationFile = await localizePluginTranslationFile({
-      i18nDir,
+      localizationDir,
       locale: 'fr',
       translationFile,
       plugin: {
@@ -432,10 +432,10 @@ describe('localizePluginTranslationFile', () => {
   });
 
   it('normalizes partially localized translation files', async () => {
-    const i18nDir = await createTmpSiteDir();
+    const localizationDir = await createTmpSiteDir();
 
     await fs.outputJSON(
-      path.join(i18nDir, 'my-plugin-name', 'my/translation/file.json'),
+      path.join(localizationDir, 'my-plugin-name', 'my/translation/file.json'),
       {
         key2: {message: 'key2 message localized'},
         key4: {message: 'key4 message localized'},
@@ -452,7 +452,7 @@ describe('localizePluginTranslationFile', () => {
     };
 
     const localizedTranslationFile = await localizePluginTranslationFile({
-      i18nDir,
+      localizationDir,
       locale: 'fr',
       translationFile,
       plugin: {
@@ -478,13 +478,13 @@ describe('localizePluginTranslationFile', () => {
 
 describe('readCodeTranslationFileContent', () => {
   async function testReadTranslation(val: TranslationFileContent) {
-    const {i18nDir} = await createTmpTranslationFile(val);
-    return readCodeTranslationFileContent({i18nDir});
+    const {localizationDir} = await createTmpTranslationFile(val);
+    return readCodeTranslationFileContent({localizationDir});
   }
 
   it("returns undefined if file does't exist", async () => {
     await expect(
-      readCodeTranslationFileContent({i18nDir: 'foo'}),
+      readCodeTranslationFileContent({localizationDir: 'foo'}),
     ).resolves.toBeUndefined();
   });
 
diff --git a/packages/docusaurus/src/server/translations/translations.ts b/packages/docusaurus/src/server/translations/translations.ts
index 7f4368701d34..83d19495bffc 100644
--- a/packages/docusaurus/src/server/translations/translations.ts
+++ b/packages/docusaurus/src/server/translations/translations.ts
@@ -28,7 +28,7 @@ export type WriteTranslationsOptions = {
 };
 
 type TranslationContext = {
-  i18nDir: string;
+  localizationDir: string;
 };
 
 const TranslationFileContentSchema = Joi.object<TranslationFileContent>()
@@ -142,7 +142,7 @@ Maybe you should remove them? ${unknownKeys}`;
 }
 
 function getCodeTranslationsFilePath(context: TranslationContext): string {
-  return path.join(context.i18nDir, CODE_TRANSLATIONS_FILE_NAME);
+  return path.join(context.localizationDir, CODE_TRANSLATIONS_FILE_NAME);
 }
 
 export async function readCodeTranslationFileContent(
@@ -175,7 +175,7 @@ function addTranslationFileExtension(translationFilePath: string) {
 }
 
 function getPluginTranslationFilePath({
-  i18nDir,
+  localizationDir,
   plugin,
   translationFilePath,
 }: TranslationContext & {
@@ -183,7 +183,7 @@ function getPluginTranslationFilePath({
   translationFilePath: string;
 }): string {
   const dirPath = getPluginI18nPath({
-    i18nDir,
+    localizationDir,
     pluginName: plugin.name,
     pluginId: plugin.options.id,
   });
@@ -192,7 +192,7 @@ function getPluginTranslationFilePath({
 }
 
 export async function writePluginTranslations({
-  i18nDir,
+  localizationDir,
   plugin,
   translationFile,
   options,
@@ -203,7 +203,7 @@ export async function writePluginTranslations({
 }): Promise<void> {
   const filePath = getPluginTranslationFilePath({
     plugin,
-    i18nDir,
+    localizationDir,
     translationFilePath: translationFile.path,
   });
   await writeTranslationFileContent({
@@ -214,7 +214,7 @@ export async function writePluginTranslations({
 }
 
 export async function localizePluginTranslationFile({
-  i18nDir,
+  localizationDir,
   plugin,
   translationFile,
 }: TranslationContext & {
@@ -223,7 +223,7 @@ export async function localizePluginTranslationFile({
 }): Promise<TranslationFile> {
   const filePath = getPluginTranslationFilePath({
     plugin,
-    i18nDir,
+    localizationDir,
     translationFilePath: translationFile.path,
   });