Prostki
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Prostki [ˈprɔstki] (German Prostken) is a village in Ełk County, Warmian-Masurian Voivodeship, in northern Poland. It is the seat of the gmina (administrative district) called Gmina Prostki. It lies approximately 15 kilometres (9 mi) south of Ełk and 128 km (80 mi) east of the regional capital Olsztyn.