Dziaduszyn
Dziaduszyn is a settlement in the administrative district of Gmina Pozezdrze, within Węgorzewo County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately north-west of Pozezdrze, south-east of Węgorzewo, and north-east of the regional capital Olsztyn.
The settlement has a population of 20.