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