Ostr W, M Awa County

Ostrów is a village in the administrative district of Gmina Szreńsk, within Mława County, Masovian Voivodeship, in east-central Poland. It lies approximately 6 kilometres (4 mi) east of Szreńsk, 16 km (10 mi) south-west of Mława, and 104 km (65 mi) north-west of Warsaw. The village has a population of 100. Gmina Szreńsk is a rural gmina (administrative district) in Mława County, Masovian Voivodeship, in east-central Poland. Its seat is the village of Szreńsk, which lies approximately 21 kilometres (13 mi) south-west of Mława and 107 km (66 mi) north-west of Warsaw. The gmina covers an area of 109.66 square kilometres (42.3 sq mi), and as of 2006 its total population is 4,537.