OCA or Oca may refer to:
== Places and jurisdictions == The ancient town and bishopric Oca in Asia Minor (present Asia Turkey), now a Latin Catholic titular see The former Spanish Oca, modern Villafranca Montes de Oca, also see of a medieval bishopric (Auca), now a Latin Catholic titular see Oca (river), a tributary of the Ebro, Spain, having its source in the comarca of Montes de Oca Côte d'Azur Observatory, French name: Observatoire de la Côte d'Azur Cerro Armazones Observatory Orange County Airport, several airports in the United States Oregon Coast Aquarium Iruña de Oca, Spanish municipality
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).