Ostaszewo-Panki was formerly part of the German Empire. In the German Empire, the place was called Ostaszewo Panki.
The place is now called Ostaszewo-Panki and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ostaszewo Panki | Russian Empire | Pultusk | 1914 |
| Ostaszewo-Panki | Poland | Pultusk | 1919 |
| Ostaszewo Panki | German Empire | Ostenburg | 1939 |
| Ostaszewo-Panki | Poland | Pultusk | 1945 |
| Ostaszewo-Panki | Poland | Ciechanów | 1992 |