Wierzbica [vjɛʐˈbit͡sa] is a village in the administrative district of Gmina Serock, within Legionowo County, Masovian Voivodeship, in east-central Poland. It lies approximately 3 kilometres (2 mi) north of Serock, 19 km (12 mi) north-east of Legionowo, and 36 km (22 mi) north of Warsaw.