Siedlce Department (Polish: ''Departament siedlecki'') was a unit of administrative division and local government in
Polish Duchy of Warsaw
The Duchy of Warsaw (; ; ), also known as the Grand Duchy of Warsaw and Napoleonic Poland, was a First French Empire, French client state established by Napoleon Bonaparte in 1807, during the Napoleonic Wars. It initially comprised the ethnical ...
in years 1809–1815.
Its capital city was
Siedlce
Siedlce () ( ) is a city in the Masovian Voivodeship in eastern Poland with 77,354 inhabitants ().
The city is situated between two small rivers, the Muchawka and the Helenka, and lies along the European route E30, around east of Warsaw. It is ...
, and it was further divided onto 9
s.
In 1815 it was transformed into
Podlasie Voivodeship.
Departments of the Duchy of Warsaw
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