Zabłocie [zaˈbwɔt͡ɕɛ] is a village in the administrative district of Gmina Serock, within Legionowo County, Masovian Voivodeship, in east-central Poland. It lies approximately 11 kilometres (7 mi) north-west of Serock, 17 km (11 mi) north of Legionowo, and 38 km (24 mi) north of Warsaw.