NN was formerly part of the German Empire. In the German Empire, the place was called Bludowitz.
The place is now called NN and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| NN (Bludowitz) | Austro-Hungary | Friedek/Frýdek | before the Treaty of Saint-Germain |
| NN | Czechoslovakia | Frýdek (venkov) | after the Treaty of Saint-Germain |
| NN | Poland | Frydek/Frýdek | 1938 |
| Bludowitz | German Empire | Teschen | 1939 |
| Bludovice | Czechoslovakia | Místek | 1945 |
| NN | Czechoslovakia | Frýdek-Místek | 1992 |
| NN | Czech Republic | Frýdek-Místek | 1993 |