Ephigeniastadt
 Duchy of Daugavia Ephigeniastadt | |
| Country |  Daugavia Karnia-Ruthenia |
|---|---|
| Established | 2018 |
| Area Claimed | 0.01 km² |
| Population | 2 |
| Demonym | Ephigenian |
The city of Ephigeniastadt is the capital of the Duchy of Daugavia and also one of the most important cities of the Karno-Ruthenian Empire. It is composed by the official residence of the grandmother of the Duke of Daugavia.