Ljajšen was formerly part of the German Empire. In the German Empire, the place was called Hirschdorf.
The place is now called Novodvorki * and belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Leiszen | German Empire | Labiau | 1914 |
| Leischen | German Empire | Labiau | 1936 |
| Hirschdorf | German Empire | Labiau | 1939 |
| Ljajšen | Under Soviet administration | Kaliningrad | 1945 |
| Novodvorki * | Russian Federation | Polessk | 1992 |