Zabagnie [zaˈbaɡɲɛ] is a village in the administrative district of Gmina Stromiec, within Białobrzegi County, Masovian Voivodeship, in east-central Poland. It lies approximately 3 kilometres (2 mi) south-east of Stromiec, 12 km (7 mi) east of Białobrzegi, and 66 km (41 mi) south of Warsaw.