| Bierniki | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Podlaskie |
| Subdivision Type2: | County |
| Subdivision Name2: | Sokółka |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Sidra |
| Coordinates: | 53.5833°N 56°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
Bierniki is a village in the administrative district of Gmina Sidra, within Sokółka County, Podlaskie Voivodeship, in north-eastern Poland.[1] It lies approximately 8km (05miles) north-east of Sidra, 210NaN0 north of Sokółka, and 580NaN0 north-east of the regional capital Białystok.