Johannisberg was formerly part of the German Empire. In the German Empire, the place was called Kopec Svatého Jana.
The place is now called NN and belongs to Czechoslovakia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Johannisberg | Austro-Hungary | Königgrätz | before the Treaty of Saint-Germain |
| Kopeček Svatého Jana | Austro-Hungary | Königgrätz | before the Treaty of Saint-Germain |
| Svatý Jan na Kopci | Austro-Hungary | Königgrätz | before the Treaty of Saint-Germain |
| Kopec Svatého Jana | Czechoslovakia | Hradec Králové | after the Treaty of Saint-Germain |
| Johannisberg | German Empire | Königgrätz | 1939 |
| Kopec Svatého Jana | German Empire | Königgrätz | 1939 |
| Kopec Svatého Jana | Czechoslovakia | Hradec Králové | 1945 |
| NN | Czechoslovakia | Východní Čechy | 1992 |