Prostki
| Prostki | |
|---|---|
| Village | |
| Former restaurant Gasthaus „Karl Krüger” on the former border between Germany and Poland | |
| Coordinates: 53°41′56″N 22°25′58″E / 53.69889°N 22.43278°E | |
| Country | Poland | 
| Voivodeship | Warmian-Masurian | 
| County | Ełk | 
| Gmina | Prostki | 
| Population | |
|  • Total | 3,000 | 
| Time zone | UTC+1 (CET) | 
| • Summer (DST) | UTC+2 (CEST) | 
| Postal code | 19-335 | 
| Vehicle registration | NEL | 
| National roads | |
| Website | https://archive.today/20130218094243/http://www.gok.prostki.info/ | 
Prostki [ˈprɔstki] 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. It is situated on the Ełk River, in the historic region of Masuria.