Jeziorko was formerly part of the German Empire. In the German Empire, the place was called Preußenburg.
The place is now called Jeziorko and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Jesziorken | German Empire | Lötzen | 1928 |
| Preußenburg | German Empire | Lötzen | 1939 |
| Jeziorko | Under Polish administration | Giżycko | 1945 |
| Jeziorko | Poland | Suwałki | 1992 |