Zahoř was formerly part of the German Empire. In the German Empire, the place was called Záhoří.
The place is now called Záhoří and belongs to Czechoslovakia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Zahoř | Austro-Hungary | Semil | before the Treaty of Saint-Germain |
| Záhoří | Austro-Hungary | Semil | before the Treaty of Saint-Germain |
| Záhoří | Czechoslovakia | Semily | after the Treaty of Saint-Germain |
| Sahorsch | German Empire | Semil | 1939 |
| Záhoří | German Empire | Semil | 1939 |
| Záhoří | Czechoslovakia | Semily | 1945 |
| Záhoří | Czechoslovakia | Východní Čechy | 1992 |