Gręboszów [ɡrɛmˈbɔʂuf] is a village in the administrative district of Gmina Domaszowice, within Namysłów County, Opole Voivodeship, in south-western Poland. It lies approximately 8 kilometres (5 mi) east of Namysłów and 45 km (28 mi) north of the regional capital Opole.