New East Prussia

New East Prussia (German: Neuostpreußen; Polish: Prusy Nowowschodnie; Lithuanian: Naujieji Rytprūsiai) was a province of the Kingdom of Prussia from 1795 to 1807. It was created out of territory annexed in the Third Partition of Polish–Lithuanian Commonwealth and included parts of Masovia, Podlaskie, Trakai voivodeship and Žemaitija. In 1806 it had 914,610 inhabitants with a territory of less than 55,000 km², mainly Poles, Lithuanians, Jews and Belarusians.

Province of New East Prussia
Provinz Neuostpreußen
Province of Kingdom of Prussia
Brandenburg 1806.jpg
New East Prussia in 1806
• 1806
55,000 km2 (21,000 sq mi)
• 1806
October 24 1795
July 9 1807
Political subdivisionsBialystok
Preceded by
Succeeded by
POL województwo mazowieckie IRP COA.svg Masovian Voivodeship (1526–1795)
POL województwo podlaskie IRP COA.svg Podlaskie Voivodeship (1513–1795)
Trakai district COA.gif Trakai Voivodeship
Duchy of Warsaw Grand Coat of Arms of Duchy of Warsaw.svg
Russian Empire


New East Prussia encompassed territory between East Prussia and the Vistula, Bug River, and Neman rivers.

1807 Treaties of TilsitEdit

Following Napoleon Bonaparte's victory in the War of the Fourth Coalition and the Greater Poland Uprising of 1806 the Province of New East Prussia was ceded according to the 1807 Treaties of Tilsit:

Administrative divisionsEdit

New East Prussia (Neuostpreußen) and the Departments of Płozk and Bialystok, 1801–1807

New East Prussia was divided into the Kammerdepartements Bialystok and Płock which were divided into the following counties (Kreise):


External linksEdit