Třtitz was formerly part of the German Empire. In the German Empire, the place was called Třtice.
The place is now called Třtice and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Třtitz | Austro-Hungary | Schlan | before the Treaty of Saint-Germain |
| Třtice | Austro-Hungary | Schlan | before the Treaty of Saint-Germain |
| Třtice | Czechoslovakia | Slaný | after the Treaty of Saint-Germain |
| Rohrbusch | German Empire | Schlan | 1939 |
| Třtice | German Empire | Schlan | 1939 |
| Třtice | Czechoslovakia | Nové Strašecí | 1945 |
| Třtice | Czechoslovakia | Rakovník | 1992 |
| Třtice | Czech Republic | Rakovník | 1993 |