PROTA (Πρῶτα), one of a group of small islands in the east of the Propontis, not far from Chalcedon. (Steph. B. sub voceΧαλκῖτις.) Its distance from Chalcitis was 40 stadia, and it is said still to bear the name of Prote. [L.S] [p. 2.672]
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.