Klein-Blatzen was formerly part of the German Empire. In the German Empire, the place was called Klein Blatzen.
The place is now called Blatečky and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Klein-Blatzen | Austro-Hungary | Dauba | before the Treaty of Saint-Germain |
| Malé Blatce | Austro-Hungary | Dauba | before the Treaty of Saint-Germain |
| Blatečky | Czechoslovakia | Dubá | after the Treaty of Saint-Germain |
| Klein-Blatzen | Czechoslovakia | Dubá | after the Treaty of Saint-Germain |
| Klein Blatzen | German Empire | Dauba | 1938 |
| Blatečky | Czechoslovakia | Doksy | 1945 |
| Blatečky | Czechoslovakia | Česká Lípa | 1992 |
| Blatečky | Czech Republic | Česká Lípa | 1993 |