Dajtki (Olsztyn-Dajtki) was formerly part of the German Empire. In the German Empire, the place was called Deuthen.
The place is now called Dajtki (Olsztyn-Dajtki) and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Deuthen | German Empire | Allenstein | 1939 |
| Dajtki | Under Polish administration | Olsztyn | 1945 |
| Dajtki (Olsztyn-Dajtki) | Poland | Olsztyn | 1992 |