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 Polish Duchy of Warsaw in years 1807–1815.
Its capital city was Kalisz, and the area was further subdivided onto 13 powiats.
In 1815 it was transformed into the Kalisz Voivodeship.
Coordinates: 51°46′00″N 18°05′00″E / 51.766667°N 18.083333°E