Osnówka, Podlaskie Voivodeship
Osnówka  is a village in the administrative district of Gmina Perlejewo, within Siemiatycze County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately  south-west of Perlejewo,  north-west of Siemiatycze, and  south-west of the regional capital Białystok.

References

Villages in Siemiatycze County