Epacria or Epakria () was one of the twelve districts of ancient Attica, and subsequently, as appears from an inscription, a deme near Plotheia and Halae Araphenides.Böckh, Inscr. No. 82. As the name of a district, it was probably synonymous with Diacria.Etym. M. Ἐπακρία; An ancient grammarian describes the district of Epacria as bordering upon that of the Tetrapolis of Marathon.Bekker, Anecd. i. p. 259.
It is located in northeastern Attica.
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