Skok was formerly part of the German Empire. In the German Empire, the place was called Biebern (Ostpr.) *.
The place is now called NN and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Skok | German Empire | Sensburg | 1914 |
| Biebern (Ostpr.) * | German Empire | Sensburg | 1939 |
| Skok | Under Polish administration | Mrągowo | 1945 |
| NN | Poland | Olsztyn | 1992 |