Grodków is a town in Brzeg County, Opole Voivodeship in Poland, the administrative seat of Gmina Grodków. It is located in the Silesian Lowlands of the Oder basin, in the historic Upper Silesia region, about 20 km (12 mi) south of Brzeg. In the north, it has access to the A4 autostrada. The town has 8,595 inhabitants (2019).