Wikipedia
Oleśno
Oleśno is a village in the administrative district of Gmina Gronowo Elbląskie, within Elbląg County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately south-west of Gronowo Elbląskie, west of Elbląg, and west of the regional capital Olsztyn.
Before 1945 the area was part of Germany ( East Prussia).
The village has a population of 200.