Lower Prussia

Lower Prussia
Prusy Dolne
Prusy Dolne on the map of the region of Prussia
Country Poland
 Russia

Lower Prussia (Polish: Prusy Dolne; German: Niederland, lit. Low land) is a part of the historical region of Prussia, divided between Kaliningrad Oblast, Russia, and Warmian-Masurian Voivodeship, Poland. It is located in the basin of rivers Pregolya and Łyna.