Ostrovki was formerly part of the German Empire. In the German Empire, the place was called Trotzenau.
The place is now called Ostrovki and belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Trotschin | German Empire | Gerdauen | 1938 |
| Trotzenau | German Empire | Gerdauen | 1939 |
| Trocin | Under Soviet administration | Kaliningrad | 1945 |
| Ostrovki | Russian Federation | Pravdinsk | 1992 |