Kettenberg was formerly part of the German Empire. In the German Empire, the place was called Kettenberg.
The place is now called Okrasin and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kettenberg | German Empire | Goldap | 1939 |
| Okrasin | Under Polish administration | Gołdap | 1945 |
| Okrasin | Poland | Suwałki | 1992 |