Kościelna Jania was formerly part of the German Empire. In the German Empire, the place was called Kirchenjahn.
The place is now called Kościelna Jania and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kirchenjahn | German Empire | Marienwerder | before the Versailles Treaty |
| Kościelna Jania | Poland | Gniew | after the Versailles Treaty |
| Kirchenjahn | German Empire | Preußisch Stargard | 1939 |
| Kościelna Jania | Poland | Starogard Gdański | 1945 |
| Kościelna Jania | Poland | Gdańsk | 1992 |