| Dadaj | |
| Settlement Type: | Settlement |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Warmian-Masurian |
| Subdivision Type2: | County |
| Subdivision Name2: | Olsztyn |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Barczewo |
| Coordinates: | 53.8542°N 20.8497°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
Dadaj is a settlement in the administrative district of Gmina Barczewo, within Olsztyn County, Warmian-Masurian Voivodeship, in northern Poland.[1] It lies approximately 12km (07miles) east of Barczewo and 250NaN0 east of the regional capital Olsztyn.