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