Idrieus

Idrieus
Satrap of Caria
Reign	351–344 BC,
Predecessor	Artemisia II
Successor	Ada
Consort	Ada
House	Hecatomnids
Father	Hecatomnus

Idrieus (Ancient Greek: Ἱδριεύς Hidrieús; died 344 BCE) was a ruler of Caria, nominally the Persian Satrap, who enjoyed the status of king or dynast by virtue of the powerful position his predecessors of the House of Hecatomnus (the Hecatomnids) created when they succeeded the assassinated Persian Satrap Tissaphernes in the Carian satrapy.

He was the second son of Hecatomnus, and succeeded to the throne on the death of his sister Artemisia II of Caria in 351 BC.

Shortly after his accession he was required by the Persian king, Artaxerxes III Ochus, to provide arms and troops for the capture of Cyprus, a request with which he readily complied. He equipped a fleet of 40 triremes and assembled an army of 8000 mercenary troops. These were despatched for use against Cyprus under the command of Evagoras and the Athenian general Phocion. This is the only recorded event preserved from his reign. However; it can be inferred from Isocrates that by 346 BCE the friendly relations between Idrieus and the Persian king had not continued and there appears to have been open hostility between the two.

But the hostility of Persia did not interfere with Caria's prosperity, for in the same passage by Isocrates, Idrieus is described as one of the most wealthy and powerful of the princes of Asia and Demosthenes advises that Idrieus had added the important islands of Chios, Cos, and Rhodes to his hereditary dominions.

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