Zastruże [zasˈtruʐɛ] is a village in the administrative district of Gmina Warka, within Grójec County, Masovian Voivodeship, in east-central Poland. It lies approximately 10 kilometres (6 mi) south-west of Warka, 21 km (13 mi) south-east of Grójec, and 54 km (34 mi) south of Warsaw.