# Ulfrun Regio quadrangle

> quadrangle on Vénus

**Wikidata**: [Q29529325](https://www.wikidata.org/wiki/Q29529325)  
**Source**: https://4ort.xyz/entity/ulfrun-regio-quadrangle


## References

1. [Gazetteer of Planetary Nomenclature](https://planetarynames.wr.usgs.gov/Page/venus1to5m_Radar)