Lasanka Morgi was formerly part of the German Empire. In the German Empire, the place was called Lasanka.
The place is now called Lasanka and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Lasanka | Russian Empire | Sejny | 1914 |
| Lasanka Morgi | Poland | Sejny | 1921 |
| Lasanka | German Empire | Sudauen | 1939 |
| NN | Poland | Suwałki | 1945 |
| Lasanka | Poland | Suwałki | 1992 |