Ohař was formerly part of the German Empire. In the German Empire, the place was called Ohoř.
The place is now called Ohař and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Wohař | Austro-Hungary | Pisek | before the Treaty of Saint-Germain |
| Vohař | Austro-Hungary | Pisek | before the Treaty of Saint-Germain |
| Ohař | Czechoslovakia | Písek | after the Treaty of Saint-Germain |
| Wohorsch | German Empire | Pisek | 1939 |
| Ohoř | German Empire | Pisek | 1939 |
| Ohař | Czechoslovakia | Písek | 1945 |
| Ohař | Czechoslovakia | Písek | 1992 |
| Ohař | Czech Republic | Písek | 1993 |