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