Wierzbowo Masovian Voivodeship
 Wierzbowo [vjɛʐˈbɔvɔ] is a village in the administrative district of Gmina Opinogóra Górna within Ciechanów County Masovian Voivodeship in east-central Poland. It lies approximately 8 kilometres (5 mi) north of Opinogóra Górna 13 km (8 mi) north-east of Ciechanów and 86 km (53 mi) north of Warsaw.