diff --git a/docs/data/material/guides/localization/localization.md b/docs/data/material/guides/localization/localization.md
index 319a25d0557dee..eaeca0f2b9c4f2 100644
--- a/docs/data/material/guides/localization/localization.md
+++ b/docs/data/material/guides/localization/localization.md
@@ -47,6 +47,7 @@ const theme = createTheme(
 | Chinese (Hong Kong)     | zh-HK               | `zhHK`      |
 | Chinese (Simplified)    | zh-CN               | `zhCN`      |
 | Chinese (Taiwan)        | zh-TW               | `zhTW`      |
+| Croatian                | hr-HR               | `hrHR`      |
 | Czech                   | cs-CZ               | `csCZ`      |
 | Danish                  | da-DK               | `daDK`      |
 | Dutch                   | nl-NL               | `nlNL`      |
@@ -73,6 +74,7 @@ const theme = createTheme(
 | Portuguese (Brazil)     | pt-BR               | `ptBR`      |
 | Romanian                | ro-RO               | `roRO`      |
 | Russian                 | ru-RU               | `ruRU`      |
+| Serbian                 | sr-RS               | `srRS`      |
 | Sinhalese               | si-LK               | `siLK`      |
 | Slovak                  | sk-SK               | `skSK`      |
 | Spanish                 | es-ES               | `esES`      |
diff --git a/packages/mui-material/src/locale/index.ts b/packages/mui-material/src/locale/index.ts
index 6e1c2fb653741e..2a8197434ca41f 100644
--- a/packages/mui-material/src/locale/index.ts
+++ b/packages/mui-material/src/locale/index.ts
@@ -1392,6 +1392,85 @@ export const hiIN: Localization = {
   },
 };
 
+// Croatian - Hrvatski
+export const hrHR: Localization = {
+  components: {
+    MuiBreadcrumbs: {
+      defaultProps: {
+        expandText: 'Pokaži putanju',
+      },
+    },
+    MuiTablePagination: {
+      defaultProps: {
+        getItemAriaLabel: (type) => {
+          if (type === 'first') {
+            return 'Idi na prvu stranicu';
+          }
+          if (type === 'last') {
+            return 'Idi na posljednju stranicu';
+          }
+          if (type === 'next') {
+            return 'Idi na sljedeću stranicu';
+          }
+          // if (type === 'previous') {
+          return 'Idi na prethodnu stranicu';
+        },
+        labelRowsPerPage: 'Redova po stranici:',
+        labelDisplayedRows: ({ from, to, count }) =>
+          `${from}–${to} od ${count !== -1 ? count : `više nego ${to}`}`,
+      },
+    },
+    MuiRating: {
+      defaultProps: {
+        getLabelText: (value) => {
+          const lastDigit = value % 10;
+          const lastTwoDigits = value % 100;
+          if ([2, 3, 4].includes(lastDigit) && ![12, 13, 14].includes(lastTwoDigits)) {
+            return 'Zvijezde';
+          }
+          return 'Zvijezda';
+        },
+        emptyLabelText: 'Prazno',
+      },
+    },
+    MuiAutocomplete: {
+      defaultProps: {
+        clearText: 'Briši',
+        closeText: 'Zatvori',
+        loadingText: 'Učitavanje…',
+        noOptionsText: 'Nema opcija',
+        openText: 'Otvori',
+      },
+    },
+    MuiAlert: {
+      defaultProps: {
+        closeText: 'Zatvori',
+      },
+    },
+    MuiPagination: {
+      defaultProps: {
+        'aria-label': 'Navigacija po stranicama',
+        getItemAriaLabel: (type, page, selected) => {
+          if (type === 'page') {
+            return `${selected ? '' : 'Idi na '}stranicu ${page}`;
+          }
+          if (type === 'first') {
+            return 'Idi na prvu stranicu';
+          }
+          if (type === 'last') {
+            return 'Idi na zadnju stranicu';
+          }
+          if (type === 'next') {
+            return 'Idi na sljedeću stranicu';
+          }
+          // if (type === 'previous') {
+          return 'Idi na prethodnu stranicu';
+        },
+      },
+    },
+  },
+};
+
 export const huHU: Localization = {
   components: {
     MuiBreadcrumbs: {
@@ -2471,6 +2550,85 @@ export const roRO: Localization = {
   },
 };
 
+// Serbian - Srpski
+export const srRS: Localization = {
+  components: {
+    MuiBreadcrumbs: {
+      defaultProps: {
+        expandText: 'Pokaži putanju',
+      },
+    },
+    MuiTablePagination: {
+      defaultProps: {
+        getItemAriaLabel: (type) => {
+          if (type === 'first') {
+            return 'Idi na prvu stranicu';
+          }
+          if (type === 'last') {
+            return 'Idi na poslednju stranicu';
+          }
+          if (type === 'next') {
+            return 'Idi na sledeću stranicu';
+          }
+          // if (type === 'previous') {
+          return 'Idi na prethodnu stranicu';
+        },
+        labelRowsPerPage: 'Redova po stranici:',
+        labelDisplayedRows: ({ from, to, count }) =>
+          `${from}–${to} od ${count !== -1 ? count : `više nego ${to}`}`,
+      },
+    },
+    MuiRating: {
+      defaultProps: {
+        getLabelText: (value) => {
+          const lastDigit = value % 10;
+          const lastTwoDigits = value % 100;
+          if ([2, 3, 4].includes(lastDigit) && ![12, 13, 14].includes(lastTwoDigits)) {
+            return 'Zvezde';
+          }
+          return 'Zvezda';
+        },
+        emptyLabelText: 'Prazno',
+      },
+    },
+    MuiAutocomplete: {
+      defaultProps: {
+        clearText: 'Briši',
+        closeText: 'Zatvori',
+        loadingText: 'Učitavanje…',
+        noOptionsText: 'Nema opcija',
+        openText: 'Otvori',
+      },
+    },
+    MuiAlert: {
+      defaultProps: {
+        closeText: 'Zatvori',
+      },
+    },
+    MuiPagination: {
+      defaultProps: {
+        'aria-label': 'Navigacija po stranicama',
+        getItemAriaLabel: (type, page, selected) => {
+          if (type === 'page') {
+            return `${selected ? '' : 'Idi na '}stranicu ${page}`;
+          }
+          if (type === 'first') {
+            return 'Idi na prvu stranicu';
+          }
+          if (type === 'last') {
+            return 'Idi na zadnju stranicu';
+          }
+          if (type === 'next') {
+            return 'Idi na sledeću stranicu';
+          }
+          // if (type === 'previous') {
+          return 'Idi na prethodnu stranicu';
+        },
+      },
+    },
+  },
+};
+
 export const ruRU: Localization = {
   components: {
     MuiBreadcrumbs: {