Ostrówek is a village in the administrative district of Gmina Orchowo, within S upca County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 3 kilometres (2 mi) north-west of Orchowo, 28 km (17 mi) north of S upca, and 74 km (46 mi) east of the regional capital Pozna . Gmina Orchowo is a rural gmina (administrative district) in S upca County, Greater Poland Voivodeship, in west-central Poland. Its seat is the village of Orchowo, which lies approximately 27 kilometres (17 mi) north-east of S upca and 76 km (47 mi) east of the regional capital Pozna . The gmina covers an area of 98.12 square kilometres (37.9 sq mi), and as of 2006 its total population is 3,892.