Olszewo, Mrągowo County


Olszewo is a village in the administrative district of Gmina Mikołajki, within Mrągowo County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately north-east of Mikołajki, east of Mrągowo, and east of the regional capital Olsztyn.
Before 1945 the area was part of Germany.
The village has a population of 440.