# Urstein Castle Ruins

> castle ruins in the municipality of Herisau in the canton of Appenzell Ausserrhoden, Switzerland

**Wikidata**: [Q29650558](https://www.wikidata.org/wiki/Q29650558)  
**Source**: https://4ort.xyz/entity/urstein-castle-ruins


## References

1. Swiss Inventory of Cultural Property of Regional Significance, February 2017
2. Swiss PCP Inventory 2023
3. [Source](https://map.geo.admin.ch/#/map?lang=de&center=2742353.77,1249981.42&z=13&bgLayer=ch.swisstopo.swissimage&topic=ech&crosshair=marker,2742354.67,1249992.63&layers=ch.bfs.gebaeude_wohnungs_register,f)
4. Burgenwelt