| Name | Ełk |
| Office head of government | |
| Mayor | |
| Image |  |
| Area (m²) | 22,070,000 |
| Date founded | 1237 |
| Elevation (m) | 147 |
| Country | Poland |
| Administrative division | Warmian-Masurian |
| Continent | Europe |
| Latitude (°) | 53.8213882446 |
| Waterbody | |
| Longitude (°) | 22.3622226715 |
| Website | http://www.elk.pl/ |
| Population (people) | 60,621 (30/06/2016) |
| Demonym |