Krzywen was formerly part of the German Empire. In the German Empire, the place was called Rundfließ.
The place is now called Krzywe and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Krzywen | German Empire | Lyck | 1907 |
| Rundfließ | German Empire | Lyck | 1939 |
| Krzywe | Under Polish administration | Ełk | 1945 |
| Krzywe | Poland | Suwałki | 1992 |