Zelki [ˈzɛlki] is a village in the administrative district of Gmina Wydminy, within Giżycko County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 12 kilometres (7 mi) south of Wydminy, 28 km (17 mi) south-east of Giżycko, and 105 km (65 mi) east of the regional capital Olsztyn.