Nieder Krupai was formerly part of the German Empire. In the German Empire, the place was called Niedergruppai.
The place is now called Dolní Krupá and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Nieder-Gruppai | Austro-Hungary | Münchengrätz | before the Treaty of Saint-Germain |
| Dolní Krupá | Austro-Hungary | Münchengrätz | before the Treaty of Saint-Germain |
| Dolní Krupá | Czechoslovakia | Mnichovo Hradiště | after the Treaty of Saint-Germain |
| Nieder-Krupai | Czechoslovakia | Mnichovo Hradiště | after the Treaty of Saint-Germain |
| Nieder Krupai | German Empire | Deutsch Gabel | 1938 |
| Niedergruppai | German Empire | Deutsch Gabel | 1938 |
| Dolní Krupá | Czechoslovakia | Doksy | 1945 |
| Dolní Krupá | Czechoslovakia | Mladá Boleslav | 1992 |
| Dolní Krupá | Czech Republic | Mladá Boleslav | 1993 |