Grodzisko, Gołdap County
|Coordinates: 54°11′39″N 22°01′13″E / 54.19417°N 22.02028°E|
|Area code(s)||(+48) 87|
Grodzisko [ɡrɔˈd͡ʑiskɔ] (German: Heidenberg, until 1925 Grodzisko, until 1938 Schloßberg) is a village in the administrative district of Gmina Banie Mazurskie, within Gołdap County, Warmian-Masurian Voivodeship, in northern Poland, close to the border with the Kaliningrad Oblast of Russia. It lies approximately 5 kilometres (3 mi) south of Banie Mazurskie, 23 km (14 mi) south-west of Gołdap, and 110 km (68 mi) north-east of the regional capital Olsztyn.
Before 1945, the area was part of Germany (East Prussia).
The village has a population of 250.