Milewo-Łosie was formerly part of the German Empire. In the German Empire, the place was called Milewo Losie.
The place is now called Milewo-Łosie and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Milewo Losie | Russian Empire | Ostrolenka | 1914 |
| Milewo-Łosie | Poland | Ostrołęka | 1919 |
| Milewo Losie | German Empire | Scharfenwiese | 1939 |
| Milewo-Łosie | Poland | Ostrołęka | 1945 |
| Milewo-Łosie | Poland | Ostrołęka | 1992 |