Note 3079 — BOOK IV. AN ACCOUNT OF COUNTRIES, NATIONS, SEAS, TOWNS, HAVENS, MOUNTAINS, RIVERS, DISTANCES, AND PEOPLES WHO NOW EXIST OR FORMERLY EXISTED.
John Bostock translation
Most probably the present Rio de Suancès, by Mannert called the Saya, into which the Besanga flows. Hardouin however calls it the Nervio.