Marienburg may refer to:
==Historical German names== Ordensburg Marienburg (Malbork Castle), the large brick castle built by the Teutonic Knights Malbork, Poland, the site of the Ordensburg Marienburg, formerly Marienburg (Royal Prussia/Crown of the Kingdom of Poland 1466-1772) Alūksne, Latvia Feldioara, Romania
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).