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