Brzeski [ˈbʐɛski] is a village in the administrative district of Gmina Klwów, within Przysucha County, Masovian Voivodeship, in east-central Poland. It lies approximately 5 kilometres (3 mi) north-west of Klwów, 23 km (14 mi) north of Przysucha, and 78 km (48 mi) south of Warsaw.