Gąski [ˈɡɔ̃ski] is a village in the administrative district of Gmina Warka, within Grójec County, Masovian Voivodeship, in east-central Poland. It lies approximately 7 kilometres (4 mi) north-west of Warka, 21 km (13 mi) east of Grójec, and 45 km (28 mi) south of Warsaw.