Krassa was formerly part of the German Empire. In the German Empire, the place was called Krassa.
The place is now called Chrastná and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Krassa | Austro-Hungary | Böhmisch-Leipa | before the Treaty of Saint-Germain |
| Chrastná | Austro-Hungary | Böhmisch-Leipa | before the Treaty of Saint-Germain |
| Chrastná | Czechoslovakia | Česká Lípa | after the Treaty of Saint-Germain |
| Krassa | Czechoslovakia | Česká Lípa | after the Treaty of Saint-Germain |
| Krassa | German Empire | Deutsch Gabel | 1938 |
| Chrastná | Czechoslovakia | Česká Lípa | 1945 |
| Chrastná | Czechoslovakia | Liberec | 1992 |
| Chrastná | Czech Republic | Liberec | 1993 |