Horní Sedlo (Hrádek nad Nisou-H. S.) was formerly part of the German Empire. In the German Empire, the place was called Paß.
The place is now called Horní Sedlo (Hrádek nad Nisou-H. S.) and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Pass | Austro-Hungary | Gabel | before the Treaty of Saint-Germain |
| Sedlo | Czechoslovakia | Německé Jablonné | after the Treaty of Saint-Germain |
| Paß | Czechoslovakia | Německé Jablonné | after the Treaty of Saint-Germain |
| Paß | German Empire | Reichenberg | 1938 |
| Horní Sedlo | Czechoslovakia | Liberec | 1945 |
| Horní Sedlo (Hrádek nad Nisou-H. S.) | Czechoslovakia | Liberec | 1992 |
| Horní Sedlo (Hrádek nad Nisou-H. S.) | Czech Republic | Liberec | 1993 |