Analysis of information sources in references of the Wikipedia article "Согдиана" in Russian language version.
There is further geographical interest to be found in another passage from the Avesta Yt. 10.13-14, where the whole region inhabited by the Aryans (airyō.šayana-) is described. The description begins with Mount Harā, the peak of which is reached by Mithra as he precedes the immortal sun: The entire Aryan homeland, according to this passage, consisted of the districts of Iškata and Peruta, Margiana and Areia, Gava, Sogdiana, and Chorasmia.
There is further geographical interest to be found in another passage from the Avesta Yt. 10.13-14, where the whole region inhabited by the Aryans (airyō.šayana-) is described. The description begins with Mount Harā, the peak of which is reached by Mithra as he precedes the immortal sun: The entire Aryan homeland, according to this passage, consisted of the districts of Iškata and Peruta, Margiana and Areia, Gava, Sogdiana, and Chorasmia.