diff --git a/Userland/Libraries/LibUnicode/Locale.cpp b/Userland/Libraries/LibUnicode/Locale.cpp
index 4f796c053b..7a5a75dc34 100644
--- a/Userland/Libraries/LibUnicode/Locale.cpp
+++ b/Userland/Libraries/LibUnicode/Locale.cpp
@@ -11,6 +11,10 @@
 #include <AK/StringBuilder.h>
 #include <LibUnicode/Locale.h>
 
+#if ENABLE_UNICODE_DATA
+#    include <LibUnicode/UnicodeLocale.h>
+#endif
+
 namespace Unicode {
 
 bool is_unicode_language_subtag(StringView subtag)
@@ -149,4 +153,36 @@ Optional<String> canonicalize_unicode_locale_id(LocaleID& locale_id)
     return builder.build();
 }
 
+String const& default_locale()
+{
+    static String locale = "en"sv;
+    return locale;
+}
+
+bool is_locale_available([[maybe_unused]] StringView locale)
+{
+#if ENABLE_UNICODE_DATA
+    static auto const& available_locales = Detail::available_locales();
+    return available_locales.contains(locale);
+#else
+    return false;
+#endif
+}
+
+Optional<StringView> get_locale_territory_mapping([[maybe_unused]] StringView locale, [[maybe_unused]] StringView code)
+{
+#if ENABLE_UNICODE_DATA
+    static auto const& available_locales = Detail::available_locales();
+
+    auto it = available_locales.find(locale);
+    if (it == available_locales.end())
+        return {};
+
+    if (auto territory = Detail::territory_from_string(code); territory.has_value())
+        return it->value.territories[to_underlying(*territory)];
+#endif
+
+    return {};
+}
+
 }
diff --git a/Userland/Libraries/LibUnicode/Locale.h b/Userland/Libraries/LibUnicode/Locale.h
index 45af6fa4a2..a9a84af63b 100644
--- a/Userland/Libraries/LibUnicode/Locale.h
+++ b/Userland/Libraries/LibUnicode/Locale.h
@@ -37,4 +37,9 @@ Optional<LanguageID> parse_unicode_language_id(StringView);
 Optional<LocaleID> parse_unicode_locale_id(StringView);
 Optional<String> canonicalize_unicode_locale_id(LocaleID&);
 
+String const& default_locale();
+bool is_locale_available(StringView locale);
+
+Optional<StringView> get_locale_territory_mapping(StringView locale, StringView code);
+
 }