Dekintai was formerly part of the German Empire. In the German Empire, the place was called Alt Dekinten.
The place is now called Dėkintai and belongs to Lithuania.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Alt-Dekinten | German Empire | Tilsit | before the Versailles Treaty |
| Dėkintai | Lithuania | Pajėgiai | after the Versailles Treaty |
| Alt Dekinten | German Empire | Heydekrug | 1939 |
| Dekintai | Soviet Union | Pagėgiai/Pagegjaj | 1945 |
| Dekintaj | Soviet Union | Pagėgiai/Pagegjaj | 1945 |
| Dėkintai | Lithuania | Šilutė | 1992 |