diff --git a/cypress/integration/realm_settings_test.spec.ts b/cypress/integration/realm_settings_test.spec.ts
index ee8aa79e58..4a610acb4c 100644
--- a/cypress/integration/realm_settings_test.spec.ts
+++ b/cypress/integration/realm_settings_test.spec.ts
@@ -23,9 +23,9 @@ describe("Realm settings test", () => {
     it("Go to general tab", function () {
       sidebarPage.goToRealmSettings();
       realmSettingsPage.toggleSwitch(managedAccessSwitch);
-      realmSettingsPage.save();
+      realmSettingsPage.saveGeneral();
       realmSettingsPage.toggleSwitch(managedAccessSwitch);
-      realmSettingsPage.save();
+      realmSettingsPage.saveGeneral();
     });
 
     it("Go to login tab", function () {
@@ -36,5 +36,16 @@ describe("Realm settings test", () => {
       realmSettingsPage.toggleSwitch(rememberMeSwitch);
       realmSettingsPage.toggleSwitch(verifyEmailSwitch);
     });
+
+    it("Go to themes tab", function () {
+      sidebarPage.goToRealmSettings();
+      cy.getId("rs-themes-tab").click();
+      realmSettingsPage.selectLoginThemeType("keycloak");
+      realmSettingsPage.selectAccountThemeType("keycloak");
+      realmSettingsPage.selectAdminThemeType("keycloak.v2");
+      realmSettingsPage.selectEmailThemeType("base");
+
+      realmSettingsPage.saveThemes();
+    });
   });
 });
diff --git a/cypress/support/pages/admin_console/manage/realm_settings/RealmSettingsPage.ts b/cypress/support/pages/admin_console/manage/realm_settings/RealmSettingsPage.ts
index 2f91179c8d..291a95e16c 100644
--- a/cypress/support/pages/admin_console/manage/realm_settings/RealmSettingsPage.ts
+++ b/cypress/support/pages/admin_console/manage/realm_settings/RealmSettingsPage.ts
@@ -1,40 +1,79 @@
 export default class RealmSettingsPage {
-    saveBtn: string;
-    loginTab: string;
-    managedAccessSwitch: string;
-    userRegSwitch: string;
-    forgotPwdSwitch: string;
-    rememberMeSwitch: string;
-    emailAsUsernameSwitch: string;
-    loginWithEmailSwitch: string;
-    duplicateEmailsSwitch: string;
-    verifyEmailSwitch: string;
+  saveBtnGeneral: string;
+  saveBtnThemes: string;
+  loginTab: string;
+  selectLoginTheme: string;
+  loginThemeList: string;
+  selectAccountTheme: string;
+  accountThemeList: string;
+  selectAdminTheme: string;
+  adminThemeList: string;
+  selectEmailTheme: string;
+  emailThemeList: string;
+  selectDefaultLocale: string;
+  defaultLocaleList: string;
 
-  
-    constructor() {
-      this.saveBtn = "general-tab-save";
-      this.loginTab = "rs-login-tab";
-      this.managedAccessSwitch = "user-managed-access-switch";
-      this.userRegSwitch = "user-reg-switch"
-      this.forgotPwdSwitch = "forgot-password-switch"
-      this.rememberMeSwitch = "remember-me-switch"
-      this.emailAsUsernameSwitch = "email-as-username-switch"
-      this.loginWithEmailSwitch = "login-with-email-switch"
-      this.duplicateEmailsSwitch = "duplicate-emails-switch"
-      this.verifyEmailSwitch = "verify-email-switch"
-
-    }
-  
-    toggleSwitch(switchName: string) {
-        cy.getId(switchName).next().click();
-  
-      return this;
-    }
-  
-    save() {
-      cy.getId(this.saveBtn).click();
-  
-      return this;
-    }
+  constructor() {
+    this.saveBtnGeneral = "general-tab-save";
+    this.saveBtnThemes = "themes-tab-save";
+    this.loginTab = "rs-login-tab";
+    this.selectLoginTheme = "#kc-login-theme";
+    this.loginThemeList = "#kc-login-theme + ul";
+    this.selectAccountTheme = "#kc-account-theme";
+    this.accountThemeList = "#kc-account-theme + ul";
+    this.selectAdminTheme = "#kc-admin-console-theme";
+    this.adminThemeList = "#kc-admin-console-theme + ul";
+    this.selectEmailTheme = "#kc-email-theme";
+    this.emailThemeList = "#kc-email-theme + ul";
+    this.selectDefaultLocale = "select-default-locale";
+    this.defaultLocaleList = "select-default-locale + ul";
   }
-  
\ No newline at end of file
+
+  selectLoginThemeType(themeType: string) {
+    cy.get(this.selectLoginTheme).click();
+    cy.get(this.loginThemeList).contains(themeType).click();
+    return this;
+  }
+
+  selectAccountThemeType(themeType: string) {
+    cy.get(this.selectAccountTheme).click();
+    cy.get(this.accountThemeList).contains(themeType).click();
+    return this;
+  }
+
+  selectAdminThemeType(themeType: string) {
+    cy.get(this.selectAdminTheme).click();
+    cy.get(this.adminThemeList).contains(themeType).click();
+    return this;
+  }
+
+  selectEmailThemeType(themeType: string) {
+    cy.get(this.selectEmailTheme).click();
+    cy.get(this.emailThemeList).contains(themeType).click();
+    return this;
+  }
+
+  setDefaultLocale(locale: string) {
+    cy.get(this.selectDefaultLocale).click();
+    cy.get(this.defaultLocaleList).contains(locale).click();
+    return this;
+  }
+
+  toggleSwitch(switchName: string) {
+    cy.getId(switchName).next().click();
+
+    return this;
+  }
+
+  saveGeneral() {
+    cy.getId(this.saveBtnGeneral).click();
+
+    return this;
+  }
+
+  saveThemes() {
+    cy.getId(this.saveBtnThemes).click();
+
+    return this;
+  }
+}
diff --git a/src/realm-settings/RealmSettingsSection.tsx b/src/realm-settings/RealmSettingsSection.tsx
index 4addbd4036..e45d4115c0 100644
--- a/src/realm-settings/RealmSettingsSection.tsx
+++ b/src/realm-settings/RealmSettingsSection.tsx
@@ -24,6 +24,7 @@ import { KeycloakTabs } from "../components/keycloak-tabs/KeycloakTabs";
 import { RealmSettingsLoginTab } from "./LoginTab";
 import { RealmSettingsGeneralTab } from "./GeneralTab";
 import { PartialImportDialog } from "./PartialImport";
+import { RealmSettingsThemesTab } from "./ThemesTab";
 
 type RealmSettingsHeaderProps = {
   onChange: (value: boolean) => void;
@@ -177,6 +178,13 @@ export const RealmSettingsSection = () => {
           >
             <RealmSettingsLoginTab />
           </Tab>
+          <Tab
+            eventKey="themes"
+            title={<TabTitleText>{t("realm-settings:themes")}</TabTitleText>}
+            data-testid="rs-themes-tab"
+          >
+            <RealmSettingsThemesTab />
+          </Tab>
         </KeycloakTabs>
       </PageSection>
     </>
diff --git a/src/realm-settings/ThemesTab.tsx b/src/realm-settings/ThemesTab.tsx
new file mode 100644
index 0000000000..d2ad16def0
--- /dev/null
+++ b/src/realm-settings/ThemesTab.tsx
@@ -0,0 +1,419 @@
+import React, { useEffect, useState } from "react";
+import { useTranslation } from "react-i18next";
+import { Controller, useForm } from "react-hook-form";
+import { useErrorHandler } from "react-error-boundary";
+import {
+  ActionGroup,
+  AlertVariant,
+  Button,
+  FormGroup,
+  PageSection,
+  Select,
+  SelectOption,
+  SelectVariant,
+  Switch,
+} from "@patternfly/react-core";
+
+import RealmRepresentation from "keycloak-admin/lib/defs/realmRepresentation";
+import { useAdminClient, asyncStateFetch } from "../context/auth/AdminClient";
+import { useRealm } from "../context/realm-context/RealmContext";
+import { useAlerts } from "../components/alert/Alerts";
+import { FormAccess } from "../components/form-access/FormAccess";
+import { HelpItem } from "../components/help-enabler/HelpItem";
+import { useServerInfo } from "../context/server-info/ServerInfoProvider";
+
+export const RealmSettingsThemesTab = () => {
+  const { t } = useTranslation("realm-settings");
+  const adminClient = useAdminClient();
+  const handleError = useErrorHandler();
+  const { realm: realmName } = useRealm();
+  const { addAlert } = useAlerts();
+  const { control, setValue, handleSubmit } = useForm();
+  const [realm, setRealm] = useState<RealmRepresentation>();
+
+  const [loginThemeOpen, setLoginThemeOpen] = useState(false);
+  const [accountThemeOpen, setAccountThemeOpen] = useState(false);
+  const [adminConsoleThemeOpen, setAdminConsoleThemeOpen] = useState(false);
+  const [emailThemeOpen, setEmailThemeOpen] = useState(false);
+
+  const [supportedLocalesOpen, setSupportedLocalesOpen] = useState(false);
+  const [defaultLocaleOpen, setDefaultLocaleOpen] = useState(false);
+  const [selections, setSelections] = useState<string[]>([]);
+
+  const [
+    internationalizationEnabled,
+    setInternationalizationEnabled,
+  ] = useState(false);
+
+  const form = useForm();
+
+  const themeTypes = useServerInfo().themes!;
+
+  const watchSupportedLocales = form.watch(
+    "supportedLocales",
+    themeTypes?.account![0].locales
+  );
+
+  useEffect(() => {
+    return asyncStateFetch(
+      () => adminClient.realms.findOne({ realm: realmName }),
+      (realm) => {
+        setRealm(realm);
+        setupForm(realm);
+        setInternationalizationEnabled(realm.internationalizationEnabled!);
+      },
+      handleError
+    );
+  }, []);
+
+  useEffect(() => {
+    setValue("supportedLocales", realm?.supportedLocales);
+    setValue("defaultLocale", realm?.defaultLocale);
+  }, [internationalizationEnabled]);
+
+  const setupForm = (realm: RealmRepresentation) => {
+    const { ...formValues } = realm;
+
+    form.reset(formValues);
+    Object.entries(realm).map((entry) => {
+      if (entry[0] === "internationalizationEnabled") {
+        setInternationalizationEnabled(realm!.internationalizationEnabled!);
+      }
+      setValue(entry[0], entry[1]);
+    });
+  };
+
+  const save = async (realm: RealmRepresentation) => {
+    try {
+      await adminClient.realms.update({ realm: realmName }, realm);
+      setRealm({ supportedLocales: selections, ...realm });
+      addAlert(t("saveSuccess"), AlertVariant.success);
+    } catch (error) {
+      addAlert(t("saveError", { error }), AlertVariant.danger);
+    }
+  };
+
+  return (
+    <>
+      <PageSection variant="light">
+        <FormAccess
+          isHorizontal
+          role="manage-realm"
+          className="pf-u-mt-lg"
+          onSubmit={handleSubmit(save)}
+        >
+          <FormGroup
+            label={t("loginTheme")}
+            fieldId="kc-login-theme"
+            labelIcon={
+              <HelpItem
+                helpText="realm-settings-help:loginTheme"
+                forLabel={t("loginTheme")}
+                forID="kc-login-theme"
+              />
+            }
+          >
+            <Controller
+              name="loginTheme"
+              control={control}
+              render={({ onChange, value }) => (
+                <Select
+                  toggleId="kc-login-theme"
+                  onToggle={() => setLoginThemeOpen(!loginThemeOpen)}
+                  onSelect={(_, value) => {
+                    onChange(value as string);
+                    setLoginThemeOpen(false);
+                  }}
+                  selections={value}
+                  variant={SelectVariant.single}
+                  aria-label={t("loginTheme")}
+                  isOpen={loginThemeOpen}
+                  placeholderText="Select a theme"
+                  data-testid="select-login-theme"
+                >
+                  {themeTypes.login.map((theme, idx) => (
+                    <SelectOption
+                      selected={theme.name === value}
+                      key={`login-theme-${idx}`}
+                      value={theme.name}
+                    >
+                      {t(`${theme.name}`)}
+                    </SelectOption>
+                  ))}
+                </Select>
+              )}
+            />
+          </FormGroup>
+          <FormGroup
+            label={t("accountTheme")}
+            fieldId="kc-account-theme"
+            labelIcon={
+              <HelpItem
+                helpText="realm-settings-help:accountTheme"
+                forLabel={t("accountTheme")}
+                forID="kc-account-theme"
+              />
+            }
+          >
+            <Controller
+              name="accountTheme"
+              control={control}
+              render={({ onChange, value }) => (
+                <Select
+                  toggleId="kc-account-theme"
+                  onToggle={() => setAccountThemeOpen(!accountThemeOpen)}
+                  onSelect={(_, value) => {
+                    onChange(value as string);
+                    setAccountThemeOpen(false);
+                  }}
+                  selections={value}
+                  variant={SelectVariant.single}
+                  aria-label={t("accountTheme")}
+                  isOpen={accountThemeOpen}
+                  placeholderText="Select a theme"
+                  data-testid="select-account-theme"
+                >
+                  {themeTypes.account.map((theme, idx) => (
+                    <SelectOption
+                      selected={theme.name === value}
+                      key={`account-theme-${idx}`}
+                      value={theme.name}
+                    >
+                      {t(`${theme.name}`)}
+                    </SelectOption>
+                  ))}
+                </Select>
+              )}
+            />
+          </FormGroup>
+          <FormGroup
+            label={t("adminTheme")}
+            fieldId="kc-admin-console-theme"
+            labelIcon={
+              <HelpItem
+                helpText="realm-settings-help:adminConsoleTheme"
+                forLabel={t("adminTheme")}
+                forID="kc-admin-console-theme"
+              />
+            }
+          >
+            <Controller
+              name="adminTheme"
+              control={control}
+              render={({ onChange, value }) => (
+                <Select
+                  toggleId="kc-admin-console-theme"
+                  onToggle={() =>
+                    setAdminConsoleThemeOpen(!adminConsoleThemeOpen)
+                  }
+                  onSelect={(_, value) => {
+                    onChange(value as string);
+                    setAdminConsoleThemeOpen(false);
+                  }}
+                  selections={value}
+                  variant={SelectVariant.single}
+                  aria-label={t("adminConsoleTheme")}
+                  isOpen={adminConsoleThemeOpen}
+                  placeholderText="Select a theme"
+                  data-testid="select-admin-theme"
+                >
+                  {themeTypes.admin.map((theme, idx) => (
+                    <SelectOption
+                      selected={theme.name === value}
+                      key={`admin-theme-${idx}`}
+                      value={theme.name}
+                    >
+                      {t(`${theme.name}`)}
+                    </SelectOption>
+                  ))}
+                </Select>
+              )}
+            />
+          </FormGroup>
+          <FormGroup
+            label={t("emailTheme")}
+            fieldId="kc-email-theme"
+            labelIcon={
+              <HelpItem
+                helpText="realm-settings-help:emailTheme"
+                forLabel={t("emailTheme")}
+                forID="kc-email-theme"
+              />
+            }
+          >
+            <Controller
+              name="emailTheme"
+              control={control}
+              render={({ onChange, value }) => (
+                <Select
+                  toggleId="kc-email-theme"
+                  onToggle={() => setEmailThemeOpen(!emailThemeOpen)}
+                  onSelect={(_, value) => {
+                    onChange(value as string);
+                    setEmailThemeOpen(false);
+                  }}
+                  selections={value}
+                  variant={SelectVariant.single}
+                  aria-label={t("emailTheme")}
+                  isOpen={emailThemeOpen}
+                  placeholderText="Select a theme"
+                  data-testid="select-email-theme"
+                >
+                  {themeTypes.email.map((theme, idx) => (
+                    <SelectOption
+                      selected={theme.name === value}
+                      key={`email-theme-${idx}`}
+                      value={theme.name}
+                    >
+                      {t(`${theme.name}`)}
+                    </SelectOption>
+                  ))}
+                </Select>
+              )}
+            />
+          </FormGroup>
+          <FormGroup
+            label={t("internationalization")}
+            fieldId="kc-internationalization"
+          >
+            <Controller
+              name="internationalizationEnabled"
+              control={control}
+              render={({ onChange, value }) => (
+                <Switch
+                  id="kc-internationalization"
+                  label={t("common:enabled")}
+                  labelOff={t("common:disabled")}
+                  isChecked={value}
+                  data-testid={
+                    value
+                      ? "internationalization-enabled"
+                      : "internationalization-disabled"
+                  }
+                  onChange={(value) => {
+                    onChange(value);
+                    if (value) {
+                      setValue("internationalizationEnabled", true);
+                      setInternationalizationEnabled(value);
+                    }
+                    setInternationalizationEnabled(value);
+                  }}
+                />
+              )}
+            />
+          </FormGroup>
+          {internationalizationEnabled && (
+            <>
+              <FormGroup
+                label={t("supportedLocales")}
+                fieldId="kc-supported-locales"
+              >
+                <Controller
+                  name="supportedLocales"
+                  control={control}
+                  render={({ value, onChange }) => (
+                    <Select
+                      toggleId="kc-supported-locales"
+                      onToggle={() =>
+                        setSupportedLocalesOpen(!supportedLocalesOpen)
+                      }
+                      onSelect={(_, v) => {
+                        const option = v as string;
+                        if (!value) {
+                          onChange([option]);
+                        } else if (value!.includes(option)) {
+                          onChange(
+                            value.filter((item: string) => item !== option)
+                          );
+                          setSupportedLocalesOpen(false);
+                        } else {
+                          onChange([...value, option]);
+                          setSupportedLocalesOpen(false);
+                        }
+                        setSelections([...value, v]);
+                      }}
+                      onClear={() => {
+                        onChange(setSelections([]));
+                      }}
+                      selections={value}
+                      variant={SelectVariant.typeaheadMulti}
+                      aria-label={t("supportedLocales")}
+                      isOpen={supportedLocalesOpen}
+                      placeholderText={"Select locales"}
+                    >
+                      {themeTypes?.login![0].locales.map(
+                        (locale: string, idx: number) => (
+                          <SelectOption
+                            selected={true}
+                            key={`locale-${idx}`}
+                            value={locale}
+                          >
+                            {t(`allSupportedLocales.${locale}`)}
+                          </SelectOption>
+                        )
+                      )}
+                    </Select>
+                  )}
+                />
+              </FormGroup>
+              <FormGroup label={t("defaultLocale")} fieldId="kc-default-locale">
+                <Controller
+                  name="defaultLocale"
+                  control={control}
+                  render={({ onChange, value }) => (
+                    <Select
+                      toggleId="kc-default-locale"
+                      onToggle={() => setDefaultLocaleOpen(!defaultLocaleOpen)}
+                      onSelect={(_, value) => {
+                        onChange(value as string);
+                        setDefaultLocaleOpen(false);
+                      }}
+                      selections={value && t(`allSupportedLocales.${value}`)}
+                      variant={SelectVariant.single}
+                      aria-label={t("defaultLocale")}
+                      isOpen={defaultLocaleOpen}
+                      placeholderText="Select one"
+                      data-testid="select-default-locale"
+                    >
+                      {selections.length !== 0
+                        ? selections.map((locale: string, idx: number) => (
+                            <SelectOption
+                              key={`default-locale-${idx}`}
+                              value={locale}
+                            >
+                              {t(`allSupportedLocales.${locale}`)}
+                            </SelectOption>
+                          ))
+                        : watchSupportedLocales.map(
+                            (locale: string, idx: number) => (
+                              <SelectOption
+                                key={`default-locale-${idx}`}
+                                value={locale}
+                              >
+                                {t(`allSupportedLocales.${locale}`)}
+                              </SelectOption>
+                            )
+                          )}
+                    </Select>
+                  )}
+                />
+              </FormGroup>
+            </>
+          )}
+          <ActionGroup>
+            <Button
+              variant="primary"
+              type="submit"
+              data-testid="themes-tab-save"
+            >
+              {t("common:save")}
+            </Button>
+            <Button variant="link" onClick={() => setupForm(realm!)}>
+              {t("common:revert")}
+            </Button>
+          </ActionGroup>
+        </FormAccess>
+      </PageSection>
+    </>
+  );
+};
diff --git a/src/realm-settings/help.json b/src/realm-settings/help.json
index 3c9bc26a1e..fce3d33d47 100644
--- a/src/realm-settings/help.json
+++ b/src/realm-settings/help.json
@@ -3,6 +3,10 @@
     "frontendUrl": "Set the frontend URL for the realm. Use in combination with the default hostname provider to override the base URL for frontend requests for a specific realm.",
     "requireSsl": "Is HTTPS required? 'None' means HTTPS is not required for any client IP address. 'External requests' means localhost and private IP addresses can access without HTTPS. 'All requests' means HTTPS is required for all IP addresses.",
     "userManagedAccess": "If enabled, users are allowed to manage their resources and permissions using the Account Management Console.",
-    "endpoints": "Shows the configuration of the protocol endpoints"
+    "endpoints": "Shows the configuration of the protocol endpoints",
+    "loginTheme": "Select theme for login, OTP, grant, registration and forgot password pages.",
+    "accountTheme": "Select theme for user account management pages.",
+    "adminConsoleTheme": "Select theme for admin console.",
+    "emailTheme": "Select theme for emails that are sent by the server."
   }
 }
\ No newline at end of file
diff --git a/src/realm-settings/messages.json b/src/realm-settings/messages.json
index 87a6dff61c..a10dbb24ad 100644
--- a/src/realm-settings/messages.json
+++ b/src/realm-settings/messages.json
@@ -13,6 +13,7 @@
     "saveError": "Realm could not be updated: {error}",
     "general": "General",
     "login": "Login",
+    "themes": "Themes",
     "userRegistration": "User registration",
     "userRegistrationHelpText": "Enable/disable the registration page. A link for registration will show on login page too.",
     "forgotPassword": "Forgot password",
@@ -37,10 +38,40 @@
       "external": "External requests",
       "none": "None"
     },
+    "selectATheme": "Select a theme",
+    "allSupportedLocales": {
+      "ca": "Català",
+      "cs": "Čeština",
+      "da": "Dansk",
+      "de": "Deutsch",
+      "en": "English",
+      "es": "Español",
+      "fr": "Français",
+      "hu": "Magyar",
+      "it": "Italiano",
+      "ja": "日本語",
+      "lt": "Lietuvių kalba",
+      "nl": "Nederlands",
+      "no": "Norsk",
+      "pl": "Polski",
+      "pt-BR": "Português (Brasil)",
+      "ru": "Русский",
+      "sk": "Slovenčina",
+      "sv": "Svenska",
+      "tr": "Türkçe",
+      "zh-CN": "中文"
+    },
     "userManagedAccess": "User-managed access",
     "endpoints": "Endpoints",
     "openEndpointConfiguration": "Open Endpoint Configuration",
-    "samlIdentityProviderMetadata": "SAML 2.0 Identity Provider Metadata"
+    "samlIdentityProviderMetadata": "SAML 2.0 Identity Provider Metadata",
+    "loginTheme": "Login theme",
+    "accountTheme": "Account theme",
+    "adminTheme": "Admin console theme",
+    "emailTheme": "Email theme",
+    "internationalization": "Internationalization",
+    "supportedLocales": "Supported locales",
+    "defaultLocale": "Default locale"
   },
   "partial-import": {
     "partialImportHeaderText": "Partial import allows you to import users, clients, and resources from a previously exported json file.",