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Administrative division of the Duchy of Warsaw, 1810–1815. Kalisz Department is light green in the south-west.Dziennik Departamentu Kaliskiego, 1813
Kalisz Department (Polish: departament kaliski) was a unit of administrative division and local government in PolishDuchy of Warsaw in years 1807–1815.
Its capital city was Kalisz, and the area was further subdivided onto 13 powiats.