Poznań Department

Administrative division of the Duchy of Warsaw, 1810–1815. Poznań Department is light blue in the west.

Poznań Department (Polish: Departament Poznański) was a unit of administrative division and local government in Polish Duchy of Warsaw in years 1806-1815.

Capital city: Poznań

Administrative division: 10 counties.

Historical administrative divisions of Greater Poland

12–13th century	Duchy of Greater Poland

until 1768	Poznań / Kalisz Voivodeships

until 1793	Poznań / Kalisz / Gniezno Voivodeships Netze District

until 1806	South Prussia

until 1815	Poznań / Kalisz / Bydgoszcz Departments

until 1837 1848	Kalisz Voivodeship Grand Duchy of Posen

until 1918	Province of Posen Kalisz / Warsaw Governorates

until 1939	Poznań / Łódź Voivodeships Posen-West Prussia

until 1945	Reichsgau Wartheland

until 1975	Poznań Voivodeship

until 1998	Poznań / Kalisz / Leszno / Konin / Piła Voivodeships

since 1998	Greater Poland Voivodeship