Brzozówka [bʐɔˈzufka] is a village in the administrative district of Gmina Czosnów, within Nowy Dwór County, Masovian Voivodeship, in east-central Poland. It lies approximately 7 kilometres (4 mi) south-west of Czosnów, 10 km (6 mi) south of Nowy Dwór Mazowiecki, and 28 km (17 mi) north-west of Warsaw.