Gmina Bierzwnik is a rural gmina (administrative district) in Choszczno County, West Pomeranian Voivodeship, in north-western Poland. Its seat is the village of Bierzwnik, which lies approximately south-east of Choszczno and south-east of the regional capital Szczecin.
The gmina covers an area of , and as of 2006 has a population of 4,813.
Gmina Bierzwnik contains the villages and settlements of Antoniewko, Bierzwnik, Boà ¼ejewko, Breà Â, Budzice, Bukowie, Cheà Âmienko, Chyà ¼e, Czapliska, Doà Âà ¼yna, Gajno, Górzno, Grzywna, Jaglisko, Kawno, Klasztorne, Kà Âodzin, Koà Âecko, Kolsk, Kosinek, Kruczaj, Krzywin, Kunica, à Âasko, Malczewo, OstromÃÂcko, Piaseczno, Pà Âawienko, Pà Âawno, Pà Âoszkowo, Przeczno, Przykuna, RÃÂbusz, SmÃÂdowa, Sojec, Starzyce, Strumienno, Trzebicz, Wygon, Zdrójno, Zgorzel and Zieleniewo.
Gmina Bierzwnik is bordered by the gminas of Choszczno, Dobiegniew, Drawno, KrzÃÂcin and Strzelce Krajeà Âskie.
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