Note 2205 — BOOK IV. AN ACCOUNT OF COUNTRIES, NATIONS, SEAS, TOWNS, HAVENS, MOUNTAINS, RIVERS, DISTANCES, AND PEOPLES WHO NOW EXIST OR FORMERLY EXISTED.
John Bostock translation
Its site was at the spot called Palæo Kastro, near the modern town of Modon. The site of Messenian Helos, so called from its position in the marshes, τὸ ἕλος, is now unknown.