# Ostrov
**Wikidata**: [Q1734314](https://www.wikidata.org/wiki/Q1734314)  
**Source**: https://4ort.xyz/entity/ostrov-q1734314


## References

1. Czech National Authority Database
2. [Source](https://www.czso.cz/csu/czso/vysledky-scitani-2021-otevrena-data)
3. Czech location identification system
4. Mapy.com
5. [Bibliography of the History of the Czech Lands](https://biblio.hiu.cas.cz/records/bf0fdfc5-2ca6-428e-a8a8-06b05c3b56f7)
6. [Bibliography of the History of the Czech Lands](https://biblio.hiu.cas.cz/records/5636b78c-c506-4faa-959c-47c29a353f58)