Daniłowce ([daniˈwɔft͡sɛ]; Lithuanian: Danilovcė) is a village in the administrative district of Gmina Giby, within Sejny County, Podlaskie Voivodeship, in north-eastern Poland, close to the borders with Belarus and Lithuania. It lies approximately 6 kilometres (4 mi) south-west of Sejny and 108 km (67 mi) north of the regional capital Białystok.