Duchy of Queli

Duchy of Cornwall

Duchy of Lancaster

Duchy of Parma and Piacenza

Duchy of Guelders

Duchy of Warsaw

Duchy of Luxembourg

Duchy of Lorraine

Duchy of Saxony

Duchy of Athens

Duchy of Silesia

Duchy of Münsterberg

Duchy of Mantua

Duchy of Modena and Reggio

Duchy of Teschen

Duchy of Limburg

Chancellor of the Duchy of Lancaster

Duchy of Głogów

Duchy of Burgundy

Waitrose Duchy Organic

Duchies of Silesia

Grand Duchy of Posen

Duchy of Bernstadt

Duchy of Spoleto

Duchy of Nassau

Duchy of Montferrat

Duchy of Jülich

Duchy of Westphalia

Duchy of Livonia

Duchy of Masovia

Duchy of Lithuania

Duchy of Brunswick

Duchy of Pomerania-Stolp

Duchy of Warsaw (Middle Ages)

Duchy of Brabant

Duchy of Troppau

Duchy of Carinthia

Grand Duchy of Lithuania

Duchies in England

Duchy of Racibórz

Duchy of Löwenberg

Duchy of Courland and Semigallia

United Baltic Duchy

Duchy of Nivernais

Duchy of the Archipelago

Grand Duchy of Würzburg

Duchy of Pomerania

Duchy of Cleves

Duchy of Reggio

Duchy of Benevento

Duchy of Styria

Duchy of Akhalkalaki

Duchy of Massa and Carrara

Grand Duchy of Finland

Duchy of Naples

Duchy of Neopatras

Duchy of Saint Sava

Duchy of Tskhumi

Duchy of Siewierz

Duchy of Limburg (1839–1867)

Duchy of Syrmia

Duchy of Opole and Racibórz

Duchy of Oświęcim

Duchy of Kldekari

Duchy of Żagań

Grand Duchy of Hesse

Duchy of Łęczyca

Duchy of Friuli

Duchy of the Pentapolis

Duchy of Orléans

Grand Duchy of Kraków

Duchy of Gascony

Grand Duchy of Mecklenburg-Strelitz

Duchy of Głubczyce

Duchy of Pomerelia

Grand Duchy of Baden

Duchy of Tridentum

Duchy of Croatia

Duchy of Sorrento

Duchy of Carniola

Duchy of Kraków

Partitions of the Duchy of Pomerania

Duchy of Amalfi

Duchy of Friedland

Duchy of Legnica

Ernestine duchies

Duchy of Brittany

Grand Duchy of Tuscany

Duchy of Austria

Duchy of Inowrocław

Grand Duchy of Oldenburg

Duchy of Franconia

Subdivisions of the Duchy of Warsaw

Duchy of Krumlov

Duchy of Oldenburg

Duchy of Tuscany

Duchy of Anhalt

Grand Duchy of Frankfurt

Duchy of Samogitia

Duchy of Schleswig

Duchy of Durazzo

Duchy Home Farm

Constitution of the Duchy of Warsaw

Grand Duchy of Mecklenburg-Schwerin

Duchy of Estonia

Duchy of Pannonia

Army of the Duchy of Warsaw

Duchy of Nassau–United States relations

Flag of the Duchy of Teschen

Duchy of Normandy

Duchy of Braganza

Attorney-General of the Duchy of Lancaster

Duchy of Prussia

Grand Duchy of Hesse–United States relations

Duchy of Poznan

Duchy of Parma–United States relations

List of Pomeranian duchies and dukes

Duchy of Württemberg

Duchy of Persiceta

Duchy of Urbino

Duchy of Aquitaine

Grand Duchy of Oldenburg–United States relations

Duchy of Brunswick-Lüneburg–United States relations

Grand Duchy of Tuscany–United States relations

List of chancellors of the Duchy of Lancaster

Duchy of Bohemia

Duchy of Alsace

Duchy of Swabia

Duchy of Ferrara

Grand Duchy (band)

Duchy of Bielsko

Grand Duchy of Mecklenburg-Strelitz–United States relations

Duchy of Merania

Grand Duchy of Avram

Duchy of Guastalla

List of governors of the Duchy of Milan

Duchy of Tuscia

Duchy of Płock

Clerk of the Council of the Duchy of Lancaster

Duchy of Lubusz

Duchy of Bavaria

List of cities in the Grand Duchy of Lithuania

Duchy of Trakai

Duchy of Świecie

Duchy of Wiślica

Duchy of Czersk

Duchy of Poznań

Duchy of Samokalako

Duchy of Gniezno

Grand Duchy of Mecklenburg-Schwerin–United States relations

Duchy of Gdańsk

Duchy of Magdeburg

Duchy of Kuyavia

Duchy of Lubiszewo

Duchy of Kalisz

Coat of arms of the Duchy of Czersk

Duchy of Cornwall Act 1860

Duchy of La Vallière

Duchy of Philippopolis

The Glory of the Duchy of Carniola

Duchy of Białogarda

Duchy of Sieradz

Duchy of Wieluń

Pomerania-Stettin

Duchy of Salzburg

Duchy College Rural Business School

Duchy of Cantabria

Duchy of Prudnik

Duchy of Sandomierz

Duchy of Gniewkowo