Gmina Kostrzyn is an urban-rural gmina (administrative district) in Poznaà  County, Greater Poland Voivodeship, in west-central Poland. Its seat is the town of Kostrzyn, which lies approximately east of the regional capital Poznaà Â.
The gmina covers an area of , and as of 2006 its total population is 15,456 (out of which the population of Kostrzyn amounts to 8,539, and the population of the rural part of the gmina is 6,917).
Apart from the town of Kostrzyn, Gmina Kostrzyn contains the villages and settlements of Antonin, Brzeà ºno, Buszkówiec, Chorzaà Âki, Czerlejnko, Czerlejno, Drzàzgowo, Glinka Duchowna, Glinka Szlachecka, Guà Âtowy, Gwiazdowo, Iwno, Jagodno, Klony, Leà Âna Grobla, Libartowo, à Âugowiny, Rujsca, Sanniki, Siedlec, Siedleczek, Siekierki Maà Âe, Siekierki Wielkie, Skaà Âowo, Sokolniki Drzàzgowskie, Sokolniki Klonowskie, Strumiany, Tarnowo, Trzek, WÃÂgierskie, Wiktorowo and Wróblewo.
Gmina Kostrzyn is bordered by the gminas of Dominowo, Kleszczewo, Nekla, Pobiedziska, Ã Âroda Wielkopolska and SwarzÃÂdz.
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