# Castra ad Fluvium Frigidum

> Roman fortress in Eastern Europe

**Wikidata**: [Q28969759](https://www.wikidata.org/wiki/Q28969759)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Castra_ad_Fluvium_Frigidum)  
**Source**: https://4ort.xyz/entity/castra-ad-fluvium-frigidum


## References

1. [Source](http://izvirna-vipavska.si/sl/rimska-utrdba-castra-ajdovscina)
2. Registry of Cultural Heritage of Slovenia
3. [Source](https://vici.org/vici/2890)