Ratajno was formerly part of the German Empire. In the German Empire, the place was called Panthenau.
The place is now called Ratajno and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Nieder Panthenau | German Empire | Reichenbach (Eulengebirge) | 1934 |
| Ober Panthenau | German Empire | Reichenbach (Eulengebirge) | 1934 |
| Panthenau | German Empire | Reichenbach (Eulengebirge) | 1939 |
| Ratajno | Under Polish administration | Dzierżoniów | 1945 |
| Ratajno | Poland | Wrocław | 1992 |