Porębiska
| Porębiska | |
|---|---|
| Settlement | |
| Country |
 Poland |
| Voivodeship | Warmian-Masurian |
| County | Mrągowo |
| Gmina | Gmina Mrągowo |
Porębiska [pɔrɛmˈbiska] (German: Porembischken; 1938-45: Vierwinden) is a settlement in the administrative district of Gmina Mrągowo, within Mrągowo County, Warmian-Masurian Voivodeship, in northern Poland.[1]
Before 1945 the area was part of Germany (East Prussia).