Grochowiska [ɡrɔxɔˈviska] is a village in the administrative district of Gmina Odolanów, within Ostrów Wielkopolski County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 5 kilometres (3 mi) east of Odolanów, 10 km (6 mi) south of Ostrów Wielkopolski, and 109 km (68 mi) south-east of the regional capital Poznań.