Pieczonki was formerly part of the German Empire. In the German Empire, the place was called Grünau.
The place is now called Pieczonki and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Pietzonken | German Empire | Lötzen | 1930 |
| Grünau | German Empire | Lötzen | 1939 |
| Pieczonki | Under Polish administration | Giżycko | 1945 |
| Pieczonki | Poland | Suwałki | 1992 |