Alka was formerly part of the German Empire. In the German Empire, the place was called Alk.
The place is now called Alka and belongs to Lithuania.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Alk | German Empire | Heydekrug | before the Versailles Treaty |
| Alka | Lithuania | Šilutė | after the Versailles Treaty |
| Alk | German Empire | Heydekrug | 1939 |
| Alkai | Soviet Union | Šilutė/Šilute | 1945 |
| Alkaj | Soviet Union | Šilutė/Šilute | 1945 |
| Alka | Lithuania | Šilutė | 1992 |