Kalisz Department (Polish: departament kaliski) was a unit of administrative division and local government in Polish Duchy of Warsaw in years 1807–1815.
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![](http://upload.wikimedia.org/wikipedia/commons/thumb/f/f4/Kalisz_Dziennik_Departamentu_Kaliskiego_1813.jpg/240px-Kalisz_Dziennik_Departamentu_Kaliskiego_1813.jpg)
Its capital city was Kalisz, and the area was further subdivided onto 13 powiats.
In 1815 it was transformed into the Kalisz Voivodeship.
51°46′00″N 18°05′00″E / 51.766667°N 18.083333°E