Sajzy was formerly part of the German Empire. In the German Empire, the place was called Zeysen.
The place is now called Sajzy and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Zeysen | German Empire | Lyck | 1939 |
| Sajzy | Under Polish administration | Ełk | 1945 |
| Sajzy | Poland | Suwałki | 1992 |