New East Prussia (German Neu-Ostpreussen) was the easternmost province of the Kingdom of Prussia between 1795 and 1807, created from areas acquired during the third Partition of Poland, with Warsaw as a capital. The area of the province was less then 55,000 km˛ and population was approximately 1 million inhabitants.
The province ceased to exist when Napoleon taken it in 1807, and the territory became a part of the Duchy of Warsaw, except the Bialystok district which was ceded to Russia.
In 1806, New East Prussia had 914,610 inhabitants, and was divided into two "departments":
Bialystok ("Departement der Kriegs- und Domainen-Kammer zu Bialystok") included the counties ("Kreise") of
Plozk ("Departement der Kriegs- und Domainen-Kammer zu Plozk") included the counties ("Kreise") of: