Ostaszewo, Masovian Voivodeship
Ostaszewo  is a village in the administrative district of Gmina Sońsk, within Ciechanów County, Masovian Voivodeship, in east-central Poland, about  north of Warsaw. The village is composed of five parts: Ostaszewo Wielkie, Ostaszewo-Pańki, Ostaszewo-Włuski, Ostaszewo-Wola Rańcza and Ostaszewo-Czernie. References

Ostaszewo