Dębe [ˈdɛmbɛ] 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) west of Serock, 10 km (6 mi) north of Legionowo, and 31 km (19 mi) north of Warsaw.