Zarośle Cienkie was formerly part of the German Empire. In the German Empire, the place was called Neubruch, Kr. Thorn.
The place is now called Zarośle Cienkie and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Neubruch | German Empire | Thorn | before the Versailles Treaty |
| Zarośle Cienkie | Poland | Toruń | after the Versailles Treaty |
| Neubruch, Kr. Thorn | German Empire | Thorn | 1939 |
| Zarośle Cienkie | Poland | Toruń | 1945 |
| Zarośle Cienkie | Poland | Toruń | 1992 |