Kierz Radzikowski was formerly part of the German Empire. In the German Empire, the place was called Kersch, Kr. Rippin.
The place is now called Psia Droga and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kierz Radzikowski | Russian Empire | Rypin | 1914 |
| Grabina | Russian Empire | Rypin | 1914 |
| Kaszuba | Russian Empire | Rypin | 1914 |
| Psia Droga | Russian Empire | Rypin | 1914 |
| Kierz Radzikowski | Poland | Rypin | after the Versailles Treaty |
| Grabina | Poland | Rypin | after the Versailles Treaty |
| Kaszuba | Poland | Rypin | after the Versailles Treaty |
| Psia Droga | Poland | Rypin | after the Versailles Treaty |
| Kersch, Kr. Rippin | German Empire | Rippin (Westpr.) | 1939 |
| Kierz Radzikowski | Poland | Rypin | 1945 |
| Grabina | Poland | Rypin | 1945 |
| Kaszuba | Poland | Rypin | 1945 |
| Psia Droga | Poland | Rypin | 1945 |
| Kierz | Poland | Toruń | 1992 |
| Grabina | Poland | Toruń | 1992 |
| Kaszuba | Poland | Toruń | 1992 |
| Psia Droga | Poland | Toruń | 1992 |