NN was formerly part of the German Empire. In the German Empire, the place was called Tiefenflur.
The place is now called Kolonia Głęboczek and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kolonja Gleboczek | Russian Empire | Rypin | 1914 |
| Kolonja Głęboczek | Poland | Rypin | after the Versailles Treaty |
| Tiefenflur | German Empire | Rippin (Westpr.) | 1939 |
| NN | Poland | Lipno | 1945 |
| Kolonia Głęboczek | Poland | Włocławek | 1992 |