Ostrów County, Greater Poland Voivodeship

Ostrów County (Polish: powiat ostrowski) is a unit of territorial administration and local government (powiat) in Greater Poland Voivodeship, west-central Poland. It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998. Its administrative seat and largest town is Ostrów Wielkopolski, which lies 100 kilometres (62 mi) south-east of the regional capital Poznań. The county contains three other towns: Nowe Skalmierzyce, 22 km (14 mi) east of Ostrów Wielkopolski, Odolanów, 10 km (6 mi) south of Ostrów Wielkopolski, and Raszków, 8 km (5 mi) north of Ostrów Wielkopolski.

The county covers an area of 1,160.65 square kilometres (448.1 sq mi). As of 2020, its total population is 161,581. In 2006 the population of Ostrów Wielkopolski was 72,577, that of Nowe Skalmierzyce 5,080, that of Odolanów 4,960, that of Raszków 2,037, and the rural population was 73,753.