HYDRA (Ὕδρα), a promontory on the south of the gulf of Elaea in Aeolis, forming the south-western corner of the bay, and now called Cape Fokia. (Strab. xiii. p.622; Ptol. 5.2.6.) [L.S]
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.