sentences:  It is also further postulated that the name "Hay" comes from one of the two confederated, Hittite vassal states—the Ḫayaša-Azzi (1600–1200 BC).The exonym "Armenia" is attested in the Old Persian Behistun Inscription (515 BC) as "Armina" ( ).The Ancient Greek terms ("Armenía") and ("Arménioi", "Armenians") are first mentioned by Hecataeus of Miletus (c. 550 BC – c. 476 BC).