The Białystok Department (, ) was part of the

New East Prussia Province New East Prussia (; ; ) was a Provinces of Prussia, province of the Kingdom of Prussia from 1795 to 1807. It was created out of territory annexed in the Third Partition of Poland, Third Partition of the Polish–Lithuanian Commonwealth and includ ...

of the

Kingdom of Prussia The Kingdom of Prussia (, ) was a German state that existed from 1701 to 1918.Marriott, J. A. R., and Charles Grant Robertson. ''The Evolution of Prussia, the Making of an Empire''. Rev. ed. Oxford: Clarendon Press, 1946. It played a signif ...

from 1795 to 1807. It was created out of territory annexed in the Third Partition of

Poland Poland, officially the Republic of Poland, is a country in Central Europe. It extends from the Baltic Sea in the north to the Sudetes and Carpathian Mountains in the south, bordered by Lithuania and Russia to the northeast, Belarus and Ukrai ...

and included parts of

Podlaskie Podlaskie Voivodeship ( ) is a voivodeship in northeastern Poland. The name of the voivodeship refers to the historical region of Podlachia (in Polish, ''Podlasie''), and significant part of its territory corresponds to that region. The capital ...

Geography

The Białystok Department encompassed territory between

East Prussia East Prussia was a Provinces of Prussia, province of the Kingdom of Prussia from 1772 to 1829 and again from 1878 (with the Kingdom itself being part of the German Empire from 1871); following World War I it formed part of the Weimar Republic's ...

and the

Bug River The Bug or Western Bug is a major river in Central Europe that flows through Belarus (border), Poland, and Ukraine, with a total length of .Neman river Neman, Nemunas or Niemen is a river in Europe that rises in central Belarus and flows through Lithuania then forms Lithuania–Russia border, the northern border of Kaliningrad Oblast, Russia's western exclave, which specifically follows its s ...

Administrative Subdivisions

The department consisted of the following

counties A county () is a geographic region of a country used for administrative or other purposesL. Brookes (ed.) '' Chambers Dictionary''. Edinburgh: Chambers Harrap Publishers Ltd, 2005. in some nations. The term is derived from the Old French denoti ...

* Bialystok * Bielsk * Bobrz * Dombrowa *

Drohiczyn Drohiczyn () (, ) is a town in Siemiatycze County, Podlaskie Voivodeship, Poland. The town has a population of 2,110 and is situated on the bank of the Bug River. Drohiczyn has a long and rich history, as in the past it was one of the most impo ...

* Kalwary * Lomza * Mariampol * Surasz * Wygry {{wikisource, Treaty of Tilsit, 9 July 1807 Government regions of Prussia