Praslity was formerly part of the German Empire. In the German Empire, the place was called Altkirch.
The place is now called Praslity and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Altkirch | German Empire | Heilsberg | 1939 |
| Praslity | Under Polish administration | Lidzbark Warmiński | 1945 |
| Praslity | Poland | Olsztyn | 1992 |