Ratsgrenc was formerly part of the German Empire. In the German Empire, the place was called Rathsgrenz, Fh..
The place is now called Grigorˈevka * and belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Rathsgrenz, Fh. | German Empire | Wehlau | 1939 |
| Ratsgrenc | Under Soviet administration | Kaliningrad | 1945 |
| Grigorˈevka * | Russian Federation | Polessk | 1992 |