diff --git a/lib/backend/api.dart b/lib/backend/api.dart
index 1eeb9dd..aedf00d 100644
--- a/lib/backend/api.dart
+++ b/lib/backend/api.dart
@@ -2,6 +2,7 @@ import 'dart:async';
 import 'dart:typed_data';
 
 import '../core/config/config.dart';
+import '../core/config/countries.dart';
 import '../core/protocol/opcode_map.dart';
 import '../core/protocol/packet.dart';
 import '../core/transport/connection.dart';
@@ -33,6 +34,11 @@ class Api {
 
   Map<dynamic, dynamic>? get userAgent => _userAgent;
 
+  List<CountryName>? _registrationCountries;
+
+  List<CountryName> get registrationCountries =>
+      _registrationCountries ?? allCountries;
+
   Stream<SessionState> get stateStream => _stateController.stream;
   SessionState get state => _sessionState;
 
@@ -76,6 +82,7 @@ class Api {
     try {
       final response = await sendHandshake();
       if (response.isOk) {
+        _registrationCountries = _parseRegistrationCountries(response.payload);
         _setSessionState(SessionState.online);
         _startPinging();
         logger.i('Сессия онлайн, хэндшейк ок');
@@ -230,6 +237,28 @@ class Api {
     });
   }
 
+  static List<CountryName>? _parseRegistrationCountries(dynamic payload) {
+    if (payload is! Map) return null;
+    final raw = payload['reg-country-code'];
+    if (raw is! List || raw.isEmpty) return null;
+    final codes = <String>[];
+    for (final e in raw) {
+      if (e is String && e.isNotEmpty) codes.add(e.toUpperCase());
+    }
+    if (codes.isEmpty) return null;
+    var list = countriesInServerOrder(codes);
+    if (list.isEmpty) return null;
+
+    final loc = payload['location'];
+    if (loc is String && loc.length == 2) {
+      final home = countriesByCode[loc.toUpperCase()];
+      if (home != null && !list.any((c) => c.code == home.code)) {
+        list = [home, ...list];
+      }
+    }
+    return list;
+  }
+
   void _scheduleReconnect() {
     if (_reconnectAttempts >= ServerConfig.maxReconnectAttempts) {
       logger.e('Лимит попыток реконнекта');
diff --git a/lib/core/config/countries.dart b/lib/core/config/countries.dart
index d19d055..e87262e 100644
--- a/lib/core/config/countries.dart
+++ b/lib/core/config/countries.dart
@@ -33,6 +33,15 @@ final Map<String, CountryName> countriesByCode = {
   for (final country in allCountries) country.code: country,
 };
 
+List<CountryName> countriesInServerOrder(Iterable<String> codes) {
+  final out = <CountryName>[];
+  for (final raw in codes) {
+    final c = countriesByCode[raw.toUpperCase()];
+    if (c != null) out.add(c);
+  }
+  return out;
+}
+
 /// Пример использования:
 /// ```dart
 /// final country = exampleCountryLookup('RU');
diff --git a/lib/frontend/screens/auth/login_screen.dart b/lib/frontend/screens/auth/login_screen.dart
index 6da104c..579f250 100644
--- a/lib/frontend/screens/auth/login_screen.dart
+++ b/lib/frontend/screens/auth/login_screen.dart
@@ -33,9 +33,19 @@ class _LoginScreenState extends State<LoginScreen> {
   void initState() {
     super.initState();
     _selectedCountry = countriesByCode['RU'] ?? allCountries.first;
+    _clampCountryToAllowed();
     _checkTOS();
   }
 
+  void _clampCountryToAllowed() {
+    final allowed = api.registrationCountries;
+    if (allowed.any((c) => c.code == _selectedCountry.code)) return;
+    _selectedCountry = allowed.firstWhere(
+      (c) => c.code == 'RU',
+      orElse: () => allowed.first,
+    );
+  }
+
   @override
   void dispose() {
     _phoneErrorTimer?.cancel();
@@ -66,8 +76,10 @@ class _LoginScreenState extends State<LoginScreen> {
     final result = await Navigator.push<CountryName>(
       context,
       MaterialPageRoute(
-        builder: (context) =>
-            SelectCountryScreen(selectedCountry: _selectedCountry),
+        builder: (context) => SelectCountryScreen(
+          selectedCountry: _selectedCountry,
+          countries: api.registrationCountries,
+        ),
       ),
     );
     if (result != null) {
diff --git a/lib/frontend/screens/auth/select_country_screen.dart b/lib/frontend/screens/auth/select_country_screen.dart
index 3c5f5de..bf4bd03 100644
--- a/lib/frontend/screens/auth/select_country_screen.dart
+++ b/lib/frontend/screens/auth/select_country_screen.dart
@@ -6,8 +6,13 @@ import 'package:komet/l10n/app_localizations.dart';
 
 class SelectCountryScreen extends StatefulWidget {
   final CountryName selectedCountry;
+  final List<CountryName> countries;
 
-  const SelectCountryScreen({super.key, required this.selectedCountry});
+  SelectCountryScreen({
+    super.key,
+    required this.selectedCountry,
+    List<CountryName>? countries,
+  }) : countries = countries ?? allCountries;
 
   @override
   State<SelectCountryScreen> createState() => _SelectCountryScreenState();
@@ -16,7 +21,13 @@ class SelectCountryScreen extends StatefulWidget {
 class _SelectCountryScreenState extends State<SelectCountryScreen> {
   bool _isSearching = false;
   final TextEditingController _searchController = TextEditingController();
-  List<CountryName> _filteredCountries = allCountries;
+  late List<CountryName> _filteredCountries;
+
+  @override
+  void initState() {
+    super.initState();
+    _filteredCountries = widget.countries;
+  }
 
   @override
   void dispose() {
@@ -27,10 +38,10 @@ class _SelectCountryScreenState extends State<SelectCountryScreen> {
   void _filterCountries(String query) {
     setState(() {
       if (query.isEmpty) {
-        _filteredCountries = allCountries;
+        _filteredCountries = widget.countries;
       } else {
         final q = query.toLowerCase();
-        _filteredCountries = allCountries.where((c) {
+        _filteredCountries = widget.countries.where((c) {
           return c.ru.toLowerCase().contains(q) ||
               c.en.toLowerCase().contains(q) ||
               c.phoneCode.contains(q);
@@ -90,7 +101,7 @@ class _SelectCountryScreenState extends State<SelectCountryScreen> {
                 _isSearching = !_isSearching;
                 if (!_isSearching) {
                   _searchController.clear();
-                  _filteredCountries = allCountries;
+                  _filteredCountries = widget.countries;
                 }
               });
             },