Łąg was formerly part of the German Empire. In the German Empire, the place was called Schönhain.
The place is now called Szyszkowiec and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Long | German Empire | Konitz | before the Versailles Treaty |
| NN | German Empire | Konitz | before the Versailles Treaty |
| Łąg | Poland | Chojnice | after the Versailles Treaty |
| Łęska Kolonja | Poland | Chojnice | after the Versailles Treaty |
| Schönhain | German Empire | Konitz | 1939 |
| Łąg | Poland | Chojnice | 1945 |
| Szyszkowice | Poland | Chojnice | 1945 |
| Łąg | Poland | Bydgoszcz | 1992 |
| Szyszkowiec | Poland | Bydgoszcz | 1992 |