# Hydra

> one of the Saronic Islands of Greece

**Wikidata**: [Q208319](https://www.wikidata.org/wiki/Q208319)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Hydra_(island))  
**Source**: https://4ort.xyz/entity/hydra-q208319


## References

1. Freebase Data Dumps. 2013
2. Czech National Authority Database
3. MusicBrainz
4. GeoNames
5. Virtual International Authority File