| Księży Mostek | |
| Settlement Type: | Settlement |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Podlaskie |
| Subdivision Type2: | County |
| Subdivision Name2: | Augustów |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Płaska |
| Coordinates: | 53.9425°N 23.295°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
Księży Mostek is a settlement in the administrative district of Gmina Płaska, within Augustów County, Podlaskie Voivodeship, in north-eastern Poland, close to the border with Belarus.[1] It lies approximately 6km (04miles) north-east of Płaska, 240NaN0 north-east of Augustów, and 930NaN0 north of the regional capital Białystok.