Tannenhorst was formerly part of the German Empire. In the German Empire, the place was called Tannenhorst.
The place is now called Dzierżanowo and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ogorzelice | Russian Empire | Plock | 1914 |
| Dzierzanowo, Fw. | Russian Empire | Plock | 1914 |
| Ogorzelice | Poland | Płock | 1919 |
| Dzierżanowo, Fw. | Poland | Płock | 1919 |
| Tannenhorst | German Empire | Schröttersburg | 1939 |
| Ogorzelice | Poland | Płock | 1945 |
| Dzierżanowo | Poland | Płock | 1945 |
| Ogorzelice | Poland | Płock | 1992 |
| Dzierżanowo | Poland | Płock | 1992 |