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Freyer's grayling or Hipparchia fatua is a butterfly of the family Nymphalidae. The wingspan is 30–34 millimetres (1.2–1.3 in). The butterflies fly from June to October.
The species can be found from the Balkans, through Anatolia up to Iran. This species inhabits hot dry gullies, gorges and slopes abutting coniferous woodland, and is also found in orchards and olive groves. It occurs at elevations between sea level and about 600m.