Bierzwnik is a rural municipality in the West Pomeranian Voivodeship, within the Choszczno County, with its administrative seat located in the village of Bierzwnik. The municipality covers 36% of the county's area, and 53% of its territory is covered by forests, highlighting the region's rich natural environment. The history of Bierzwnik dates back to 1294, when Cistercian monks arrived here, and in 1347, a monastery fire occurred. Over the centuries, the municipality changed its administrative affiliations, being part of the Strzelec Land and Choszczno County, among others. In the 18th century, colonization took place, and as a result of the administrative division in 1999, the municipality became part of the West Pomeranian Voivodeship. Numerous valuable historical monuments can be found here, such as the post-Cistercian monastery, 19th-century churches in Klasztorne, Brzeń, and other localities, as well as manor parks in Zieleniewo and Bierzwnik. The cultural landscape of the municipality is particularly distinguished by local traditions and customs related to the region's history. Bierzwnik Municipality also boasts two nature reserves: the floristic "Nature Reserve Wyspa na Jeziorze Bierzwnik" and the faunistic "Łasko." Road transport is well-developed, thanks to the provincial road connecting Bierzwnik with Choszczno and Dobiegniew. The municipality also has railway stations, facilitating communication. With a population of 82 residents, despite its small size, the municipality offers a rich cultural, historical, and natural heritage, making it an interesting place both to live in and to visit.