Ostrów Mazowiecka
city and urban gmina of Poland
Ostrów Mazowiecka is a main town of Ostrów County, Masovian Voivodeship, Poland.
- Population (as of 2008): a. 23 540
- Area: 22,09 km²
- Town status: Since 1434
- Postal code: 07-300, 07-302, 07-310
- Current Mayor: Hubert Betlejewski
- Community: Ostrów
- Twin town: Brembate di Sopra (Italy), Iziaslav (Ukraine)
