Grzywnik
Grzywnik is a village in the administrative district of Gmina Borne Sulinowo, within Szczecinek County, West Pomeranian Voivodeship, in north-western Poland. It lies approximately north of Borne Sulinowo, south-west of Szczecinek, and east of the regional capital Szczecin.
For the history of the region, see History of Pomerania.
The village has a population of 20.