| Gaj | |
|---|---|
| Settlement | |
| Country |
|
| Voivodeship | Warmian-Masurian |
| County | Olsztyn County |
| Gmina | Barczewo |
Gaj [ɡai̯] (German: Gayhof) is a settlement in the administrative district of Gmina Barczewo, within Olsztyn County, Warmian-Masurian Voivodeship, in northern Poland.
Before 1945 the area was part of Germany (East Prussia).