Hrazdan (Armenian: Հրազդան , also Romanized as Razdan; formerly, Akhta, Akhti, Akhtala, Nizhniye Akhty, Nizhne Akhti, Nerkin Akhta, and Nizhnyaya Akhta) is the capital of the Kotayk province of Armenia. The name Hrazdan is derived from the Middle-Persian
http://en.wikipedia.org/wiki/Hrazdan