Grodzisk is a village in the administrative district of Gmina Dmosin, within Brzeziny County, Łódź Voivodeship, in central Poland. It lies approximately 3 kilometres (2 mi) south-east of Dmosin, 13 km (8 mi) north of Brzeziny, and 26 km (16 mi) north-east of the regional capital Łódź.