Thus Airyana Vaéjah was the new Zoroastrian name for the country that was considered the centre of the main karSvarq where the Iranian ‘Meru’ stood a… - Gherardo Gnoli

“With Varana and Ranha, as of course with Hapta Handu, which comes between them in the Vd. I list, we find ourselves straight away in Indian territory, or, at any rate, in territory that, from the very earliest times, was certainly deeply permeated by Indo-Aryans or Proto-Indoaryans.” ...

The foregoing leads us to believe that the answer which we gave earlier, at the beginning of this chapter, to the question as to whether we ought to see a sort of continuity and a close link between the western Aryas, the Medes and the Persians and the Airyas of the Avestan people, is a well grounded one. We can reply that the Aryas who became part of the ethnic groups of the Medes and the Persians were none other than western branches of the Avestan Airyas who, in their westward migrations, had taken with them the name Aryan and so had extended, in a way, the boundaries of Ariana proper.

[the airyo-Sayana refers to] “the vast region that stretches southward from the Hindukus,” ... “from the southern slopes of the great mountain chains towards the valleys of the rivers that flow south, like the Hilmand…” “there is a substantial uniformity in the geographical horizon between Yt.XIX and Yt.X ... and the same can be said for Vd.I … these Avestan texts which contain in different forms, and for different purposes, items of information that are useful for historical geography give a fairly uniform picture: eastern Iran, with a certain prevalence of the countries reaching upto the southern slopes of the Hindukus.” ...