Ostrowik, Podlaskie Voivodeship

Ostrowik is a village in the administrative district of Gmina Radziłów, within Grajewo County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 5 km east of Radziłów, 26 km south of Grajewo, and 57 km north-west of the regional capital Białystok.