Chelchi Ilowe was formerly part of the German Empire. In the German Empire, the place was called Chelchi Ilowe.
The place is now called Chełchy Iłowe and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Chelchy Ilowe | Russian Empire | Makov | 1914 |
| Chełchy Iłowe | Poland | Maków | 1919 |
| Chelchi Ilowe | German Empire | Mackeim | 1939 |
| Chełchy Iłowe | Poland | Maków Mazowiecki | 1945 |
| Chełchy Iłowe | Poland | Ciechanów | 1992 |