Wikipedia
Masuny
Masuny is a village in the administrative district of Gmina Sępopol, within Bartoszyce County, Warmian-Masurian Voivodeship, in northern Poland, close to the border with the Kaliningrad Oblast of Russia. It lies approximately north-east of Sępopol, north-east of Bartoszyce, 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.