However, Michael Witzel, a researcher in early Indo-European history, believes that Airyanem Vaejah was located in what is now Afghanistan, the northern areas of which were a part of ancient Khwarezm and Greater Khorasan.
Različice besed khwar/khar/khor/hor se pogosto uporabjajo tudi v Perzijskem zalivu za ravnice in zalive, ki jih zaliva plima in močvirja, na primer Khor Musa, Khor Abdallah, Hor al-Azim, Hor al-Himar itd.