Gaj (Maribor-Gaj) was formerly part of the German Empire. In the German Empire, the place was called Heiligenkreuz bei Marburg.
The place is now called Gaj (Maribor-Gaj) and belongs to Slovenia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Heiligen Kreuz | Austro-Hungary | Marburg/Maribor | before the Treaty of Saint-Germain |
| Sveti Križ | Austro-Hungary | Marburg/Maribor | before the Treaty of Saint-Germain |
| Sveti Križ pri Mariboru | Yugoslavia | Maribor levi breg | after the Treaty of Saint-Germain |
| Heiligenkreuz bei Marburg | German Empire | Marburg an der Drau | 1941 |
| Gaj nad Mariborom | Yugoslavia | Maribor | 1945 |
| Gaj nad Mariborom (Maribor-Gaj n. M.) | Yugoslavia | Socialistična rep. Slovenija | 1992 |
| Gaj (Maribor-Gaj) | Slovenia | Slowenien | 1991 |