Irm ed'Idives, hyd. The Idives Sea, the area of the Otnent Ocean between Arnavalez island, Ivressë, Idives, western Arrantes, and the Thanivetursat. Its southeastern extreme is the Orbarba gulf, while ther smaller gulf of Caulèon lies on its northeastern edge. It connects with the Brauleant through the R'hynnòleu Strait.