Brzozowy Kąt [bʐɔˈzɔvɨ ˈkɔnt] is a village in the administrative district of Gmina Czarnia, within Ostrołęka County, Masovian Voivodeship, in east-central Poland. It lies approximately 3 kilometres (2 mi) north-east of Czarnia, 41 km (25 mi) north-west of Ostrołęka, and 129 km (80 mi) north of Warsaw.