Analysis of information sources in references of the Wikipedia article "அவெஸ்தான் மொழி" in Tamil language version.
Since the evidence of Young Avestan place names so clearly points to a more eastern location, the Avesta is again understood, nowadays, as an East Iranian text, whose area of composition comprised – at least – Sīstån/Arachosia, Herat, Merw and Bactria.