Brzeziny [bʐɛˈʑinɨ] is a village in Kalisz County, Greater Poland Voivodeship, in west-central Poland. It is the seat of the gmina (administrative district) called Gmina Brzeziny. It lies approximately 23 kilometres (14 mi) south-east of Kalisz and 129 km (80 mi) south-east of the regional capital Poznań.