Aribo
margrave (comes terminalis, "frontier count") of the March of Pannonia
Years: 825 - 890
Aribo (or Arbo) (c. 850 – 909) is the margrave (comes terminalis, "frontier count") of the March of Pannonia, from 871 until his death.
In his day, the march orientalis corresponds to a front along the Danube from the Traungau to the Szombathely and Raba rivers and including the Vienna basin.
