from Wikipedia Ahwaz:
The city of Ahvaz or Ahwaz (Persian: اهواز ahvāz or Arabic: أحواز), is the capital of the Iranian province of Khūzestān. It is built on the banks of the Karun River and is situated in the middle of Khūzestān Province. The city has an average elevation of 20 meters above sea level. The city had a population of 1,338,126 in 2006.