NN was formerly part of the German Empire. In the German Empire, the place was called NN.
The place is now called Piaski (Kutno-Piaski) and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Piaski (Kutno-Piaski) | Russian Empire | Kutno | 1914 |
| Piaski (Kutno-Piaski) | Poland | Kutno | 1921 |
| NN | German Empire | Kutno | 1939 |
| Piaski (Kutno-Piaski) | Poland | Kutno | 1945 |
| Piaski (Kutno-Piaski) | Poland | Płock | 1992 |