Istok was formerly part of the German Empire. In the German Empire, the place was called Preußenhof.
The place is now called Istok and belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Neu Weynothen | German Empire | Tilsit-Ragnit | 1938 |
| Preußenhof | German Empire | Tilsit-Ragnit | 1939 |
| Noj Vajnoten | Under Soviet administration | Kaliningrad | 1945 |
| Istok | Russian Federation | Slavsk | 1992 |