Zastawie, Masovian Voivodeship

Zastawie is a village in the administrative district of Gmina Wąsewo, within Ostrów Mazowiecka County, Masovian Voivodeship, in east-central Poland. It lies approximately 2 km south of Wąsewo, 18 km north-west of Ostrów Mazowiecka, and 86 km north-east of Warsaw.