Wikipedia
Olszewnik
Olszewnik is a village in the administrative district of Gmina Jeziorany, within Olsztyn County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately east of Jeziorany and north-east of the regional capital Olsztyn.
Before 1945 the area was part of Germany ( East Prussia). Following World War II the native German populace was expelled and replaced by Poles.
The village has a population of 190.