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