Lapėnai was formerly part of the German Empire. In the German Empire, the place was called Lapienen.
The place is now called NN and belongs to Lithuania.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Lappienen | German Empire | Heydekrug | before the Versailles Treaty |
| Lapynė | Lithuania | Šilutė | after the Versailles Treaty |
| Lapienen | German Empire | Heydekrug | 1939 |
| Lapėnai | Soviet Union | Šilutė/Šilute | 1945 |
| Lapenaj | Soviet Union | Šilutė/Šilute | 1945 |
| NN | Lithuania | Šilutė | 1992 |