Kfely (Ostrov-Kfely) was formerly part of the German Empire. In the German Empire, the place was called Gfell.
The place is now called Kfely (Ostrov-Kfely) and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Gfell | Austro-Hungary | Karlsbad | before the Treaty of Saint-Germain |
| Kfely | Czechoslovakia | Karlovy Vary | after the Treaty of Saint-Germain |
| Gfell | Czechoslovakia | Karlovy Vary | after the Treaty of Saint-Germain |
| Gfell | German Empire | Karlsbad | 1938 |
| Kfely | Czechoslovakia | Jáchymov | 1945 |
| Kfely (Ostrov-Kfely) | Czechoslovakia | Karlovy Vary | 1992 |
| Kfely (Ostrov-Kfely) | Czech Republic | Karlovy Vary | 1993 |