# Duchy of Opole

> one of the duchies of Silesia

**Wikidata**: [Q661980](https://www.wikidata.org/wiki/Q661980)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Duchy_of_Opole)  
**Source**: https://4ort.xyz/entity/duchy-of-opole


## References

1. Freebase Data Dumps. 2013