# Sirmium

> Byzantine administrative unit (theme)

**Wikidata**: [Q1278936](https://www.wikidata.org/wiki/Q1278936)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sirmium_(theme))  
**Source**: https://4ort.xyz/entity/sirmium-q1278936


## References

1. Freebase Data Dumps. 2013