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