Ilow was formerly part of the German Empire. In the German Empire, the place was called Ilow.
The place is now called Iłów and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ilow | Russian Empire | Sohačev | 1914 |
| Iłów | Poland | Sochaczew | 1919 |
| Ilow | German Empire | Schröttersburg | 1939 |
| Iłów | Poland | Sochaczew | 1945 |
| Iłów | Poland | Płock | 1992 |