Olszewka, Przasnysz County

Olszewka is a village in the administrative district of Gmina Jednorożec, within Przasnysz County, Masovian Voivodeship, in east-central Poland. It lies approximately 10 km north of Jednorożec, 25 km north-east of Przasnysz, and 111 km north of Warsaw.