Kepa Kotonska was formerly part of the German Empire. In the German Empire, the place was called Kempa Kotonska.
The place is now called NN and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kepa Kotonska | Russian Empire | Sohačev | 1914 |
| NN | Poland | Sochaczew | 1919 |
| Kempa Kotonska | German Empire | Plöhnen | 1939 |
| Kępa Kotońska | Poland | Płońsk | 1945 |
| NN | Poland | Warszawa | 1992 |