Dęptowo was formerly part of the German Empire. In the German Empire, the place was called Demtau (Gotenhafen-Demtau).
The place is now called Demptowo (Gdynia-Demptowo) and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Demptau | German Empire | Neustadt i. Westpr. | before the Versailles Treaty |
| Dęptowo | Poland | Wejherowo | after the Versailles Treaty |
| Demtau (Gotenhafen-Demtau) | German Empire | Gotenhafen/Gdingen (St.Kr.) | 1939 |
| Dęptowo (Gdynia-Dęptowo) | Poland | Gdynia m. | 1945 |
| Demptowo (Gdynia-Demptowo) | Poland | Gdynia m. | 1945 |
| Demptowo (Gdynia-Demptowo) | Poland | Gdańsk | 1992 |