Janoszyce was formerly part of the German Empire. In the German Empire, the place was called Johannen.
The place is now called Wiskitno and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Janoszyce | Russian Empire | Lipno | 1914 |
| Jozefowo, G. | Russian Empire | Lipno | 1914 |
| Wiskitno | Russian Empire | Lipno | 1914 |
| Janoszyce | Poland | Płock | 1919 |
| Józefowo, G. | Poland | Płock | 1919 |
| Wiskitno | Poland | Płock | 1919 |
| Johannen | German Empire | Schröttersburg | 1939 |
| Janoszyce | Poland | Płock | 1945 |
| Józefowo | Poland | Płock | 1945 |
| Wiskitno | Poland | Płock | 1945 |
| Janoszyce | Poland | Płock | 1992 |
| Józefowo | Poland | Płock | 1992 |
| Wiskitno | Poland | Płock | 1992 |