|Coordinates (Brzeźnio): Coordinates:|
|• Total||128.73 km2 (49.70 sq mi)|
|• Density||49/km2 (130/sq mi)|
Gmina Brzeźnio is a rural gmina (administrative district) in Sieradz County, Łódź Voivodeship, in central Poland. Its seat is the village of Brzeźnio, which lies approximately 15 kilometres (9 mi) south-west of Sieradz and 67 km (42 mi) south-west of the regional capital Łódź.
The gmina covers an area of 128.73 square kilometres (49.7 sq mi), and as of 2006 its total population is 6,351.
Gmina Brzeźnio contains the villages and settlements of Barczew, Borowiska, Bronisławów, Brzeźnio, Dębołęka, Gęsina, Gozdy, Kliczków Mały, Kliczków Wielki, Kliczków-Kolonia, Krzaki, Lipno, Nowa Wieś, Ostrów, Podcabaje, Próba, Pustelnik, Pyszków, Rembów, Ruszków, Rybnik, Rydzew, Stefanów Barczewski Drugi, Stefanów Barczewski Pierwszy, Stefanów Ruszkowski, Wierzbowa, Wola Brzeźniowska, Zapole and Złotowizna.