Pierkunowo, Kisajno lake, Masuria, Poland 2014 Pierkunowo is a village by Kisajno lake in the administrative district of Gmina Giżycko, within Giżycko County, Warmian-Masurian Voivodeship, in northern Poland.It lies approximately 5 kilometres (3 mi) north-west of Giżycko. Before 1945 the area was part of Germany (East Prussia).