Szarlej was formerly part of the German Empire. In the German Empire, the place was called Scharley.
The place is now called Szarlej and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Scharley | German Empire | Beuthen | before the Versailles Treaty |
| Szarlej | Poland | Świętochłowice | after the Versailles Treaty |
| Scharley | German Empire | Beuthen-Tarnowitz | 1939 |
| Szarlej | Poland | Tarnowskie Góry | 1945 |
| Szarlej | Poland | Katowice | 1992 |