Pruska [ˈpruska] is a village in the administrative district of Gmina Bargłów Kościelny, within Augustów County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 6 kilometres (4 mi) south of Bargłów Kościelny, 19 km (12 mi) south-west of Augustów, and 71 km (44 mi) north of the regional capital Białystok.