Děkovka was formerly part of the German Empire. In the German Empire, the place was called Diakowa.
The place is now called Děkovka and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Diakowa | Austro-Hungary | Leitmeritz | before the Treaty of Saint-Germain |
| Děkovka | Austro-Hungary | Leitmeritz | before the Treaty of Saint-Germain |
| Děkovka | Czechoslovakia | Litoměřice | after the Treaty of Saint-Germain |
| Diakowa | Czechoslovakia | Litoměřice | after the Treaty of Saint-Germain |
| Diakowa | German Empire | Leitmeritz | 1938 |
| Děkovka | Czechoslovakia | Litoměřice | 1945 |
| Děkovka | Czechoslovakia | Litoměřice | 1992 |
| Děkovka | Czech Republic | Litoměřice | 1993 |