Oldcastle may refer to:
==Places== Oldcastle, Bridgend, Wales, a ward Oldcastle, Cheshire, England, a parish Oldcastle, County Meath, Ireland, a town Oldcastle, Monmouthshire, Wales, a village Oldcastle, Ontario, Canada, an unincorporated community
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).