Lower Prussia[a] is a historical region divided between Kaliningrad Oblast, Russia, and Warmian-Masurian Voivodeship, Poland.
Lower Prussia
Prusy Dolne | |
|---|---|
 Prusy Dolne on the map of the region of Prussia | |
| Country |  Poland Russia |
It is located within the historic region of Prussia. In the north it borders the Sambia Peninsula via the Pregolya river, on the east, the Łyna river, forming boundary with Lithuania Minor. In the south it borders Warmia and Masuria.[1][2][3]