diff --git a/src/modules/locale/Config.cpp b/src/modules/locale/Config.cpp
index 7a49525f2..96d279477 100644
--- a/src/modules/locale/Config.cpp
+++ b/src/modules/locale/Config.cpp
@@ -148,17 +148,11 @@ loadLocales( const QString& localeGenPath )
     return localeGenLines;
 }
 
-static inline const CalamaresUtils::Locale::CStringPairList&
-timezoneData()
-{
-    return CalamaresUtils::Locale::TZRegion::fromZoneTab();
-}
-
-
 Config::Config( QObject* parent )
     : QObject( parent )
-    , m_regionModel( std::make_unique< CalamaresUtils::Locale::CStringListModel >( ::timezoneData() ) )
-    , m_zonesModel( std::make_unique< CalamaresUtils::Locale::CStringListModel >() )
+    , m_regionModel( std::make_unique< CalamaresUtils::Locale::RegionsModel >() )
+    , m_zonesModel( std::make_unique< CalamaresUtils::Locale::ZonesModel >() )
+    , m_regionalZonesModel( std::make_unique< CalamaresUtils::Locale::RegionalZonesModel >( m_zonesModel.get() ) )
 {
     // Slightly unusual: connect to our *own* signals. Wherever the language
     // or the location is changed, these signals are emitted, so hook up to
@@ -208,12 +202,6 @@ Config::Config( QObject* parent )
 
 Config::~Config() {}
 
-const CalamaresUtils::Locale::CStringPairList&
-Config::timezoneData() const
-{
-    return ::timezoneData();
-}
-
 void
 Config::setCurrentLocation()
 {
@@ -223,7 +211,8 @@ Config::setCurrentLocation()
     }
 }
 
-void Config::setCurrentLocation(const QString& regionzone)
+void
+Config::setCurrentLocation( const QString& regionzone )
 {
     auto r = CalamaresUtils::GeoIP::splitTZString( regionzone );
     if ( r.isValid() )
@@ -236,8 +225,7 @@ void
 Config::setCurrentLocation( const QString& regionName, const QString& zoneName )
 {
     using namespace CalamaresUtils::Locale;
-    auto* region = timezoneData().find< TZRegion >( regionName );
-    auto* zone = region ? region->zones().find< TZZone >( zoneName ) : nullptr;
+    auto* zone = m_zonesModel->find( regionName, zoneName );
     if ( zone )
     {
         setCurrentLocation( zone );
@@ -250,7 +238,7 @@ Config::setCurrentLocation( const QString& regionName, const QString& zoneName )
 }
 
 void
-Config::setCurrentLocation( const CalamaresUtils::Locale::TZZone* location )
+Config::setCurrentLocation( const CalamaresUtils::Locale::TimeZoneData* location )
 {
     if ( location != m_currentLocation )
     {
@@ -459,7 +447,7 @@ Calamares::JobList
 Config::createJobs()
 {
     Calamares::JobList list;
-    const CalamaresUtils::Locale::TZZone* location = currentLocation();
+    const auto* location = currentLocation();
 
     if ( location )
     {
diff --git a/src/modules/locale/Config.h b/src/modules/locale/Config.h
index e9a8e6373..fccd3822e 100644
--- a/src/modules/locale/Config.h
+++ b/src/modules/locale/Config.h
@@ -37,18 +37,20 @@ class Config : public QObject
 {
     Q_OBJECT
     Q_PROPERTY( const QStringList& supportedLocales READ supportedLocales CONSTANT FINAL )
-    Q_PROPERTY( CalamaresUtils::Locale::CStringListModel* zonesModel READ zonesModel CONSTANT FINAL )
-    Q_PROPERTY( CalamaresUtils::Locale::CStringListModel* regionModel READ regionModel CONSTANT FINAL )
+    Q_PROPERTY( CalamaresUtils::Locale::RegionsModel* regionModel READ regionModel CONSTANT FINAL )
+    Q_PROPERTY( CalamaresUtils::Locale::ZonesModel* zonesModel READ zonesModel CONSTANT FINAL )
+    Q_PROPERTY( QAbstractItemModel* regionalZonesModel READ regionalZonesModel CONSTANT FINAL )
 
-    Q_PROPERTY( const CalamaresUtils::Locale::TZZone* currentLocation READ currentLocation WRITE setCurrentLocation
-                    NOTIFY currentLocationChanged )
+    Q_PROPERTY(
+        const CalamaresUtils::Locale::TimeZoneData* currentLocation READ currentLocation NOTIFY currentLocationChanged )
 
     // Status are complete, human-readable, messages
     Q_PROPERTY( QString currentLocationStatus READ currentLocationStatus NOTIFY currentLanguageStatusChanged )
     Q_PROPERTY( QString currentLanguageStatus READ currentLanguageStatus NOTIFY currentLanguageStatusChanged )
     Q_PROPERTY( QString currentLCStatus READ currentLCStatus NOTIFY currentLCStatusChanged )
     // Code are internal identifiers, like "en_US.UTF-8"
-    Q_PROPERTY( QString currentLanguageCode READ currentLanguageCode WRITE setLanguageExplicitly NOTIFY currentLanguageCodeChanged )
+    Q_PROPERTY( QString currentLanguageCode READ currentLanguageCode WRITE setLanguageExplicitly NOTIFY
+                    currentLanguageCodeChanged )
     Q_PROPERTY( QString currentLCCode READ currentLCCode WRITE setLCLocaleExplicitly NOTIFY currentLCCodeChanged )
 
     // This is a long human-readable string with all three statuses
@@ -61,15 +63,6 @@ public:
     void setConfigurationMap( const QVariantMap& );
     Calamares::JobList createJobs();
 
-    // Underlying data for the models
-    const CalamaresUtils::Locale::CStringPairList& timezoneData() const;
-
-    /** @brief The currently selected location (timezone)
-     *
-     * The location is a pointer into the date that timezoneData() returns.
-     */
-    const CalamaresUtils::Locale::TZZone* currentLocation() const { return m_currentLocation; }
-
     /// locale configuration (LC_* and LANG) based solely on the current location.
     LocaleConfiguration automaticLocaleConfiguration() const;
     /// locale configuration that takes explicit settings into account
@@ -85,9 +78,16 @@ public:
     /// The human-readable summary of what the module will do
     QString prettyStatus() const;
 
+    // A long list of locale codes (e.g. en_US.UTF-8)
     const QStringList& supportedLocales() const { return m_localeGenLines; }
-    CalamaresUtils::Locale::CStringListModel* regionModel() const { return m_regionModel.get(); }
-    CalamaresUtils::Locale::CStringListModel* zonesModel() const { return m_zonesModel.get(); }
+    // All the regions (Africa, America, ...)
+    CalamaresUtils::Locale::RegionsModel* regionModel() const { return m_regionModel.get(); }
+    // All of the timezones in the world, according to zone.tab
+    CalamaresUtils::Locale::ZonesModel* zonesModel() const { return m_zonesModel.get(); }
+    // This model can be filtered by region
+    CalamaresUtils::Locale::RegionalZonesModel* regionalZonesModel() const { return m_regionalZonesModel.get(); }
+
+    const CalamaresUtils::Locale::TimeZoneData* currentLocation() const { return m_currentLocation; }
 
     /// Special case, set location from starting timezone if not already set
     void setCurrentLocation();
@@ -111,20 +111,17 @@ public Q_SLOTS:
      * names a zone within that region.
      */
     void setCurrentLocation( const QString& region, const QString& zone );
-    /** @brief Sets a location by pointer
+
+    /** @brief Sets a location by pointer to zone data.
      *
-     * Pointer should be within the same model as the widget uses.
-     * This can update the locale configuration -- the automatic one
-     * follows the current location, and otherwise only explicitly-set
-     * values will ignore changes to the location.
      */
-    void setCurrentLocation( const CalamaresUtils::Locale::TZZone* location );
+    void setCurrentLocation( const CalamaresUtils::Locale::TimeZoneData* tz );
 
     QString currentLanguageCode() const { return localeConfiguration().language(); }
     QString currentLCCode() const { return localeConfiguration().lc_numeric; }
 
 signals:
-    void currentLocationChanged( const CalamaresUtils::Locale::TZZone* location ) const;
+    void currentLocationChanged( const CalamaresUtils::Locale::TimeZoneData* location ) const;
     void currentLocationStatusChanged( const QString& ) const;
     void currentLanguageStatusChanged( const QString& ) const;
     void currentLCStatusChanged( const QString& ) const;
@@ -137,12 +134,11 @@ private:
     QStringList m_localeGenLines;
 
     /// The regions (America, Asia, Europe ..)
-    std::unique_ptr< CalamaresUtils::Locale::CStringListModel > m_regionModel;
-    /// The zones for the current region (e.g. America/New_York)
-    std::unique_ptr< CalamaresUtils::Locale::CStringListModel > m_zonesModel;
+    std::unique_ptr< CalamaresUtils::Locale::RegionsModel > m_regionModel;
+    std::unique_ptr< CalamaresUtils::Locale::ZonesModel > m_zonesModel;
+    std::unique_ptr< CalamaresUtils::Locale::RegionalZonesModel > m_regionalZonesModel;
 
-    /// The location, points into the timezone data
-    const CalamaresUtils::Locale::TZZone* m_currentLocation = nullptr;
+    const CalamaresUtils::Locale::TimeZoneData* m_currentLocation = nullptr;
 
     /** @brief Specific locale configurations
      *
diff --git a/src/modules/locale/LocalePage.cpp b/src/modules/locale/LocalePage.cpp
index c10b2dee9..d4ad6854e 100644
--- a/src/modules/locale/LocalePage.cpp
+++ b/src/modules/locale/LocalePage.cpp
@@ -43,7 +43,7 @@ LocalePage::LocalePage( Config* config, QWidget* parent )
     QBoxLayout* mainLayout = new QVBoxLayout;
 
     QBoxLayout* tzwLayout = new QHBoxLayout;
-    m_tzWidget = new TimeZoneWidget( config->timezoneData(), this );
+    m_tzWidget = new TimeZoneWidget( m_config->zonesModel(), this );
     tzwLayout->addStretch();
     tzwLayout->addWidget( m_tzWidget );
     tzwLayout->addStretch();
@@ -102,6 +102,7 @@ LocalePage::LocalePage( Config* config, QWidget* parent )
     // Set up the location before connecting signals, to avoid a signal
     // storm as various parts interact.
     m_regionCombo->setModel( m_config->regionModel() );
+    m_zoneCombo->setModel( m_config->regionalZonesModel() );
     locationChanged( m_config->currentLocation() );  // doesn't inform TZ widget
     m_tzWidget->setCurrentLocation( m_config->currentLocation() );
 
@@ -112,7 +113,7 @@ LocalePage::LocalePage( Config* config, QWidget* parent )
     connect( m_tzWidget,
              &TimeZoneWidget::locationChanged,
              config,
-             QOverload< const CalamaresUtils::Locale::TZZone* >::of( &Config::setCurrentLocation ) );
+             QOverload< const CalamaresUtils::Locale::TimeZoneData* >::of( &Config::setCurrentLocation ) );
 
     connect( m_regionCombo, QOverload< int >::of( &QComboBox::currentIndexChanged ), this, &LocalePage::regionChanged );
     connect( m_zoneCombo, QOverload< int >::of( &QComboBox::currentIndexChanged ), this, &LocalePage::zoneChanged );
@@ -152,35 +153,26 @@ LocalePage::regionChanged( int currentIndex )
 {
     using namespace CalamaresUtils::Locale;
 
-    Q_UNUSED( currentIndex )
-    QString selectedRegion = m_regionCombo->currentData().toString();
-
-    TZRegion* region = m_config->timezoneData().find< TZRegion >( selectedRegion );
-    if ( !region )
+    QString selectedRegion = m_regionCombo->itemData( currentIndex ).toString();
     {
-        return;
+        cSignalBlocker z( m_zoneCombo );
+        m_config->regionalZonesModel()->setRegion( selectedRegion );
     }
-
-    {
-        cSignalBlocker b( m_zoneCombo );
-        m_zoneCombo->setModel( new CStringListModel( region->zones() ) );
-    }
-
-    m_zoneCombo->currentIndexChanged( m_zoneCombo->currentIndex() );
+    m_zoneCombo->currentIndexChanged( 0 );
 }
 
 void
 LocalePage::zoneChanged( int currentIndex )
 {
-    Q_UNUSED( currentIndex )
     if ( !m_blockTzWidgetSet )
     {
-        m_config->setCurrentLocation( m_regionCombo->currentData().toString(), m_zoneCombo->currentData().toString() );
+        m_config->setCurrentLocation( m_regionCombo->currentData().toString(),
+                                      m_zoneCombo->itemData( currentIndex ).toString() );
     }
 }
 
 void
-LocalePage::locationChanged( const CalamaresUtils::Locale::TZZone* location )
+LocalePage::locationChanged( const CalamaresUtils::Locale::TimeZoneData* location )
 {
     if ( !location )
     {
diff --git a/src/modules/locale/LocalePage.h b/src/modules/locale/LocalePage.h
index bf41f8f69..4f2d321b5 100644
--- a/src/modules/locale/LocalePage.h
+++ b/src/modules/locale/LocalePage.h
@@ -53,7 +53,7 @@ private:
 
     void regionChanged( int currentIndex );
     void zoneChanged( int currentIndex );
-    void locationChanged( const CalamaresUtils::Locale::TZZone* location );
+    void locationChanged( const CalamaresUtils::Locale::TimeZoneData* location );
     void changeLocale();
     void changeFormats();
 
diff --git a/src/modules/locale/Tests.cpp b/src/modules/locale/Tests.cpp
index af37a664b..e7fbb10f2 100644
--- a/src/modules/locale/Tests.cpp
+++ b/src/modules/locale/Tests.cpp
@@ -22,6 +22,7 @@
 #include "timezonewidget/TimeZoneImage.h"
 
 #include "locale/TimeZone.h"
+#include "utils/Logger.h"
 
 #include <QtTest/QtTest>
 
@@ -115,37 +116,35 @@ LocaleTests::testTZImages()
     //
     //
     using namespace CalamaresUtils::Locale;
-    const CStringPairList& regions = TZRegion::fromZoneTab();
+    const ZonesModel m;
 
     int overlapcount = 0;
-    for ( const auto* pr : regions )
+    for ( auto it = m.begin(); it; ++it )
     {
-        const TZRegion* region = dynamic_cast< const TZRegion* >( pr );
-        QVERIFY( region );
+        QString region = m.data( m.index( it.index() ), ZonesModel::RegionRole ).toString();
+        QString zoneName = m.data( m.index( it.index() ), ZonesModel::KeyRole ).toString();
+        QVERIFY( !region.isEmpty() );
+        QVERIFY( !zoneName.isEmpty() );
+        const auto* zone = m.find( region, zoneName );
+        const auto* iterzone = *it;
 
-        Logger::setupLogLevel( Logger::LOGDEBUG );
-        cDebug() << "Region" << region->region() << "zones #" << region->zones().count();
-        Logger::setupLogLevel( Logger::LOGERROR );
+        QVERIFY( iterzone );
+        QVERIFY( zone );
+        QCOMPARE( zone, iterzone );
+        QCOMPARE( zone->zone(), zoneName );
+        QCOMPARE( zone->region(), region );
 
-        const auto zones = region->zones();
-        QVERIFY( zones.count() > 0 );
-        for ( const auto* pz : zones )
+        int overlap = 0;
+        auto pos = images.getLocationPosition( zone->longitude(), zone->latitude() );
+        QVERIFY( images.index( pos, overlap ) >= 0 );
+        QVERIFY( overlap > 0 );  // At least one image contains the spot
+        if ( overlap > 1 )
         {
-            const TZZone* zone = dynamic_cast< const TZZone* >( pz );
-            QVERIFY( zone );
-
-            int overlap = 0;
-            auto pos = images.getLocationPosition( zone->longitude(), zone->latitude() );
-            QVERIFY( images.index( pos, overlap ) >= 0 );
-            QVERIFY( overlap > 0 );  // At least one image contains the spot
-            if ( overlap > 1 )
-            {
-                Logger::setupLogLevel( Logger::LOGDEBUG );
-                cDebug() << Logger::SubEntry << "Zone" << zone->zone() << pos;
-                (void)images.index( pos, overlap );
-                Logger::setupLogLevel( Logger::LOGERROR );
-                overlapcount++;
-            }
+            Logger::setupLogLevel( Logger::LOGDEBUG );
+            cDebug() << Logger::SubEntry << "Zone" << zone->zone() << pos;
+            (void)images.index( pos, overlap );
+            Logger::setupLogLevel( Logger::LOGERROR );
+            overlapcount++;
         }
     }
 
@@ -168,12 +167,17 @@ operator<( const QPoint& l, const QPoint& r )
 }
 
 void
-listAll( const QPoint& p, const CalamaresUtils::Locale::CStringPairList& zones )
+listAll( const QPoint& p, const CalamaresUtils::Locale::ZonesModel& zones )
 {
     using namespace CalamaresUtils::Locale;
-    for ( const auto* pz : zones )
+    for ( auto it = zones.begin(); it; ++it )
     {
-        const TZZone* zone = dynamic_cast< const TZZone* >( pz );
+        const auto* zone = *it;
+        if ( !zone )
+        {
+            cError() << Logger::SubEntry << "NULL zone";
+            return;
+        }
         if ( p == TimeZoneImageList::getLocationPosition( zone->longitude(), zone->latitude() ) )
         {
             cError() << Logger::SubEntry << zone->zone();
@@ -185,78 +189,36 @@ void
 LocaleTests::testTZLocations()
 {
     using namespace CalamaresUtils::Locale;
-    const CStringPairList& regions = TZRegion::fromZoneTab();
+    ZonesModel zones;
 
     int overlapcount = 0;
-    for ( const auto* pr : regions )
+    for ( auto it = zones.begin(); it; ++it )
     {
-        const TZRegion* region = dynamic_cast< const TZRegion* >( pr );
-        QVERIFY( region );
-
-        Logger::setupLogLevel( Logger::LOGDEBUG );
-        cDebug() << "Region" << region->region() << "zones #" << region->zones().count();
-        Logger::setupLogLevel( Logger::LOGERROR );
-
         std::set< QPoint > occupied;
 
-        const auto zones = region->zones();
-        QVERIFY( zones.count() > 0 );
-        for ( const auto* pz : zones )
-        {
-            const TZZone* zone = dynamic_cast< const TZZone* >( pz );
-            QVERIFY( zone );
+        const auto* zone = *it;
+        QVERIFY( zone );
 
-            auto pos = TimeZoneImageList::getLocationPosition( zone->longitude(), zone->latitude() );
-            if ( occupied.find( pos ) != occupied.end() )
-            {
-                cError() << "Zone" << zone->zone() << "occupies same spot as ..";
-                listAll( pos, zones );
-                overlapcount++;
-            }
-            occupied.insert( pos );
+        auto pos = TimeZoneImageList::getLocationPosition( zone->longitude(), zone->latitude() );
+        if ( occupied.find( pos ) != occupied.end() )
+        {
+            cError() << "Zone" << zone->zone() << "occupies same spot as ..";
+            listAll( pos, zones );
+            overlapcount++;
         }
+        occupied.insert( pos );
     }
 
     QEXPECT_FAIL( "", "TZ Images contain pixel-overlaps", Continue );
     QCOMPARE( overlapcount, 0 );
 }
 
-const CalamaresUtils::Locale::TZZone*
-findZone( const QString& name )
-{
-    using namespace CalamaresUtils::Locale;
-    const CStringPairList& regions = TZRegion::fromZoneTab();
-
-    for ( const auto* pr : regions )
-    {
-        const TZRegion* region = dynamic_cast< const TZRegion* >( pr );
-        if ( !region )
-        {
-            continue;
-        }
-        const auto zones = region->zones();
-        for ( const auto* pz : zones )
-        {
-            const TZZone* zone = dynamic_cast< const TZZone* >( pz );
-            if ( !zone )
-            {
-                continue;
-            }
-
-            if ( zone->zone() == name )
-            {
-                return zone;
-            }
-        }
-    }
-    return nullptr;
-}
-
 void
 LocaleTests::testSpecificLocations()
 {
-    const auto* gibraltar = findZone( "Gibraltar" );
-    const auto* ceuta = findZone( "Ceuta" );
+    CalamaresUtils::Locale::ZonesModel zones;
+    const auto* gibraltar = zones.find( "Europe", "Gibraltar" );
+    const auto* ceuta = zones.find( "Africa", "Ceuta" );
     QVERIFY( gibraltar );
     QVERIFY( ceuta );
 
diff --git a/src/modules/locale/timezonewidget/timezonewidget.cpp b/src/modules/locale/timezonewidget/timezonewidget.cpp
index 0972e3296..b1d3cfeaa 100644
--- a/src/modules/locale/timezonewidget/timezonewidget.cpp
+++ b/src/modules/locale/timezonewidget/timezonewidget.cpp
@@ -35,13 +35,13 @@
 #endif
 
 static QPoint
-getLocationPosition( const CalamaresUtils::Locale::TZZone* l )
+getLocationPosition( const CalamaresUtils::Locale::TimeZoneData* l )
 {
     return TimeZoneImageList::getLocationPosition( l->longitude(), l->latitude() );
 }
 
 
-TimeZoneWidget::TimeZoneWidget( const CalamaresUtils::Locale::CStringPairList& zones, QWidget* parent )
+TimeZoneWidget::TimeZoneWidget( const CalamaresUtils::Locale::ZonesModel* zones, QWidget* parent )
     : QWidget( parent )
     , timeZoneImages( TimeZoneImageList::fromQRC() )
     , m_zonesData( zones )
@@ -65,7 +65,7 @@ TimeZoneWidget::TimeZoneWidget( const CalamaresUtils::Locale::CStringPairList& z
 
 
 void
-TimeZoneWidget::setCurrentLocation( const CalamaresUtils::Locale::TZZone* location )
+TimeZoneWidget::setCurrentLocation( const TimeZoneData* location )
 {
     if ( location == m_currentLocation )
     {
@@ -190,32 +190,24 @@ TimeZoneWidget::mousePressEvent( QMouseEvent* event )
     {
         return;
     }
-
     // Set nearest location
     int nX = 999999, mX = event->pos().x();
     int nY = 999999, mY = event->pos().y();
 
     using namespace CalamaresUtils::Locale;
-    const TZZone* closest = nullptr;
-    for ( const auto* region_p : m_zonesData )
+    const TimeZoneData* closest = nullptr;
+    for ( auto it = m_zonesData->begin(); it; ++it )
     {
-        const auto* region = dynamic_cast< const TZRegion* >( region_p );
-        if ( region )
+        const auto* zone = *it;
+        if ( zone )
         {
-            for ( const auto* zone_p : region->zones() )
-            {
-                const auto* zone = dynamic_cast< const TZZone* >( zone_p );
-                if ( zone )
-                {
-                    QPoint locPos = TimeZoneImageList::getLocationPosition( zone->longitude(), zone->latitude() );
+            QPoint locPos = TimeZoneImageList::getLocationPosition( zone->longitude(), zone->latitude() );
 
-                    if ( ( abs( mX - locPos.x() ) + abs( mY - locPos.y() ) < abs( mX - nX ) + abs( mY - nY ) ) )
-                    {
-                        closest = zone;
-                        nX = locPos.x();
-                        nY = locPos.y();
-                    }
-                }
+            if ( ( abs( mX - locPos.x() ) + abs( mY - locPos.y() ) < abs( mX - nX ) + abs( mY - nY ) ) )
+            {
+                closest = zone;
+                nX = locPos.x();
+                nY = locPos.y();
             }
         }
     }
diff --git a/src/modules/locale/timezonewidget/timezonewidget.h b/src/modules/locale/timezonewidget/timezonewidget.h
index 6bb94c0dd..c15570b52 100644
--- a/src/modules/locale/timezonewidget/timezonewidget.h
+++ b/src/modules/locale/timezonewidget/timezonewidget.h
@@ -51,28 +51,28 @@ class TimeZoneWidget : public QWidget
 {
     Q_OBJECT
 public:
-    using TZZone = CalamaresUtils::Locale::TZZone;
+    using TimeZoneData = CalamaresUtils::Locale::TimeZoneData;
 
-    explicit TimeZoneWidget( const CalamaresUtils::Locale::CStringPairList& zones, QWidget* parent = nullptr );
+    explicit TimeZoneWidget( const CalamaresUtils::Locale::ZonesModel* zones, QWidget* parent = nullptr );
 
 public Q_SLOTS:
     /** @brief Sets a location by pointer
      *
      * Pointer should be within the same model as the widget uses.
      */
-    void setCurrentLocation( const TZZone* location );
+    void setCurrentLocation( const TimeZoneData* location );
 
 signals:
     /** @brief The location has changed by mouse click */
-    void locationChanged( const TZZone* location );
+    void locationChanged( const TimeZoneData* location );
 
 private:
     QFont font;
     QImage background, pin, currentZoneImage;
     TimeZoneImageList timeZoneImages;
 
-    const CalamaresUtils::Locale::CStringPairList& m_zonesData;
-    const TZZone* m_currentLocation = nullptr;  // Not owned by me
+    const CalamaresUtils::Locale::ZonesModel* m_zonesData;
+    const TimeZoneData* m_currentLocation = nullptr;  // Not owned by me
 
     void paintEvent( QPaintEvent* event );
     void mousePressEvent( QMouseEvent* event );