Maciejki was formerly part of the German Empire. In the German Empire, the place was called Blumenthal.
The place is now called Maciejki and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Blumenthal | German Empire | Gerdauen | 1939 |
| Maciejki | Under Polish administration | Kętrzyn | 1945 |
| Maciejki | Poland | Olsztyn | 1992 |