Sankury ([saŋˈkurɨ]; Lithuanian: Sankūrai) is a village in the administrative district of Gmina Puńsk, within Sejny County, Podlaskie Voivodeship, in north-eastern Poland, close to the border with Lithuania. It lies approximately 11 kilometres (7 mi) east of Puńsk, 13 km (8 mi) north of Sejny, and 125 km (78 mi) north of the regional capital Białystok.