Lichtajny was formerly part of the German Empire. In the German Empire, the place was called Lichteinen b. Osterode.
The place is now called Lichtajny and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Adlig Lichteinen | German Empire | Osterode i. Ostpr. | 1914 |
| Lichteinen | German Empire | Osterode i. Ostpr. | 1939 |
| Lichteinen b. Osterode | German Empire | Osterode i. Ostpr. | 1939 |
| Lichtajny | Under Polish administration | Ostróda | 1945 |
| Lichtajny | Poland | Olsztyn | 1992 |