Udziejek [uˈd͡ʑɛjɛk] is a village in the administrative district of Gmina Jeleniewo, within Suwałki County, Podlaskie Voivodeship, in north-eastern Poland.^[1] It lies approximately 8 kilometres (5 mi) north of Jeleniewo, 21 km (13 mi) north of Suwałki, and 129 km (80 mi) north of the regional capital Białystok.