IDRAE (Ἴδραι, Ptol. 3.5.23), a people of Sarmatia Europaea, whose position cannot be made out from the indications given by Ptolemy. (Schafarik, Slav. Alt. vol. i. p. 213.) [E.B.J]
Dictionary of Greek and Roman Geography, illustrated by numerous engravings on wood. William Smith, LLD. London. Walton and Maberly, Upper Gower Street and Ivy Lane, Paternoster Row; John Murray, Albemarle Street. 1854.