District duchy
The district duchy, also known as a district principality, was a type of state under the patrimonial system, such as a duchy or principality, formed in the feudal system as a result of a land partition between the members of a royal family. It occurred in the Middle Ages and early modern period, notably in Europe, in states such as the Holy Roman Empire, Duchy of Poland, and Kievan Rus'.
Holy Roman Empire
Bavaria
Mecklenburg
Palatinate
- Palatinate-Birkenfeld
- Palatinate-Birkenfeld-Bischweiler
- Palatinate-Birkenfeld-Gelnhausen
- Palatinate-Birkenfeld-Zweibrücken
- Palatinate-Kleeburg
- Palatinate-Landsberg
- Palatinate-Lautern
- Palatinate-Mosbach
- Palatinate-Mosbach-Neumarkt
- Palatinate-Neuburg
- Palatinate-Neumarkt
- Palatinate-Simmern
- Palatinate-Simmern and Zweibrücken
- Palatinate-Simmern-Kaiserslautern
- Palatinate-Simmern-Sponheim
- Palatinate-Sulzbach
- Palatinate-Sulzbach-Hilpoltstein
- Palatinate-Zweibrücken
- Palatinate-Zweibrücken-Birkenfeld
- Palatinate-Zweibrücken-Vohenstrauss-Parkstein
Pomerania
- Pomerania-Demmin
- Pomerania-Stettin
- Pomerania-Schlawe
- Pomerania-Wolgast
- Pomerania-Stolp
- Pomerania-Neustettin
- Pomerania-Stargard
- Pomerania-Barth
- Pomerania-Rügenwalde
- Pomerania-Wolgast-Stolp
Saxony and Thuringia
- Saxe-Altenburg
- Saxe-Coburg
- Saxe-Coburg-Eisenach
- Saxe-Coburg-Saalfeld
- Saxe-Eisenberg
- Saxe-Coburg-Gotha
- Saxe-Eisenach
- Saxe-Gotha
- Saxe-Gotha-Altenburg
- Saxe-Hildburghausen
- Saxe-Jena
- Saxe-Marksuhl
- Saxe-Meiningen
- Saxe-Römhild
- Saxe-Saalfeld
- Saxe-Weimar
- Saxe-Weimar-Eisenach
Poland
Original division
Greater Poland
Sandomierz
Masovia
Kuyavia
- Duchy of Łęczyca
- Duchy of Sieradz
- Duchy of Brześć Kujawski
- Duchy of Inowrocław
- Duchy of Bydgoszcz and Wyszogród
- Duchy of Gniewkowo
- Duchy of Dobrzyń