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