CAIRz or Cair may refer to:

Acronyms

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Geography

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  • Cair, an alternate spelling of caer, a Welsh placename element referring to strongholds
  • Čair Municipality, municipality of Skopje, Republic of Macedonia

Fictional

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  • Cair Andros, a fictional island in Tolkien's fiction
  • Cair Paravel, a castle from C. S. Lewis' The Chronicles of Narnia