Gmina Trzcianka is an urban-rural gmina in Czarnków-Trzcianka County, Greater Poland Voivodeship, in west-central Poland. Its seat is the town of Trzcianka, which lies approximately 18 kilometres north of Czarnków and 79 km north-west of the regional capital Poznań.
The gmina covers an area of 375.33 square kilometres, and as of 2006 its total population is 23,482.
Wikipedia https://en.wikipedia.org/wiki/Gmina_Trzcianka
Coordinates 53°2'30.329" N 16°27'39.957" E