Hartenstein may refer to:
== Places == Hartenstein, Saxony, a town in Saxony, Germany Hartenstein, Bavaria, a municipality in the district of Nürnberger Land in Bavaria, Germany several castles in Germany Hartenstein, Austria, a castle in Austria , a castle in the Czech Republic Hartenstein, Slovenia, a castle in Slovenia's Kozje region
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).