Neblažov was formerly part of the German Empire. In the German Empire, the place was called Glasau.
The place is now called Neblažov and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Glasau | Austro-Hungary | Plan | before the Treaty of Saint-Germain |
| Glazov | Austro-Hungary | Plan | before the Treaty of Saint-Germain |
| Neblažov | Czechoslovakia | Planá | after the Treaty of Saint-Germain |
| Glasau | Czechoslovakia | Planá | after the Treaty of Saint-Germain |
| Glasau | German Empire | Tachau | 1938 |
| Neblažov | Czechoslovakia | Mariánské Lázně | 1945 |
| Neblažov | Czechoslovakia | Tachov | 1992 |
| Neblažov | Czech Republic | Tachov | 1993 |