Hradischko was formerly part of the German Empire. In the German Empire, the place was called Hradišťko.
The place is now called Hradišťko II and belongs to Czechoslovakia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Hradischko | Austro-Hungary | Neubydžow | before the Treaty of Saint-Germain |
| Hradiško | Austro-Hungary | Neubydžow | before the Treaty of Saint-Germain |
| Hradišťko | Czechoslovakia | Nový Bydžov | after the Treaty of Saint-Germain |
| Hradischko | German Empire | Neu-Bidschow | 1939 |
| Hradišťko | German Empire | Neu-Bidschow | 1939 |
| Hradišťko | Czechoslovakia | Nový Bydžov | 1945 |
| Hradišťko II | Czechoslovakia | Střední Čechy | 1992 |