NN was formerly part of the German Empire. In the German Empire, the place was called NN.
The place is now called Zagorzynek (Kalisz-Zagorzynek) and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Zagorzynek | Russian Empire | Kališ | 1914 |
| Zagorzynek | Poland | Kalisz | 1921 |
| NN | German Empire | Kalisch (St.Kr.) | 1939 |
| Zagorzynek (Kalisz-Zagorzynek) | Poland | Kalisz m. | 1945 |
| Zagorzynek (Kalisz-Zagorzynek) | Poland | Kalisz | 1992 |