In western music theory, the scale linked below is called the Phrygian dominant -- it's the fifth mode of the harmonic minor scale. In some other musical descriptions, this scale might be called Flamenco, Spanish Gypsy, Ahavo Rabo, Freygish, or Vakulabharanam.
What is its name in the system of maqams that make up Arabic music? The name derives from the region of Saudi Arabia, independent for a few years during and after WWI, that contains Jeddah, Mecca, and Medina, and whose name comes from a root meaning "to separate" -- appropriate given the leap in the scale.
Maqam Hijaz (HIJ)