Pastwiska [pastˈfʲiska] is a settlement in the administrative district of Gmina Barciany, within Kętrzyn County, Warmian-Masurian Voivodeship, in northern Poland, close to the border with the Kaliningrad Oblast of Russia. It lies approximately 3 kilometres (2 mi) east of Barciany, 15 km (9 mi) north of Kętrzyn, and 76 km (47 mi) north-east of the regional capital Olsztyn.