Zalesie [zaˈlɛɕɛ] is a village in the administrative district of Gmina Nowe Miasto nad Pilicą, within Grójec County, Masovian Voivodeship, in east-central Poland. It lies approximately 14 kilometres (9 mi) west of Nowe Miasto nad Pilicą, 40 km (25 mi) south-west of Grójec, and 75 km (47 mi) south-west of Warsaw.