| Ostaszewo Wielkie | |
|---|---|
| Village | |
| Coordinates: 52°45′N 20°48′E / 52.750°N 20.800°E | |
| Country |
|
| Voivodeship | Masovian |
| County | Pułtusk |
| Gmina | Gzy |
Ostaszewo Wielkie [ɔstaˈʂɛvɔ ˈvjɛlkʲɛ] is a village in the administrative district of Gmina Gzy, within Pułtusk County, Masovian Voivodeship, in east-central Poland. It lies approximately 20 kilometres (12 mi) west of Pułtusk and 61 km (38 mi) north of Warsaw.
Coordinates: 52°45′N 20°48′E / 52.750°N 20.800°E