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