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
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).