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