Cierżnia

Cierżnia is a settlement in the administrative district of Gmina Wejherowo, within Wejherowo County, Pomeranian Voivodeship, in northern Poland. It lies approximately 11 km south of Wejherowo and 27 km north-west of the regional capital Gdańsk.

For details of the history of the region, see History of Pomerania.