Iranians residing in Central-Asia, consist of various tribes, whose lifestyles and the geographical location of their societies, has facilitated Silk-Road trades with the Fareastem world. Thus, since the era of the Arsacid - Parthian dynasty, as well as the Sasanian age, Central Asiatics, have been motivated to become exposed to the Buddhist faith, to the extent that, many amongst them, became converts and propagators of Buddhism in Sinicized Asia, via teachings and translations as far as Southeast Asia and China. Indeed, despite its South Asian Origins. and orientation, Buddhism was introduced in the Fareast. via dedicated efforts of Iranian converts since the second century' AD. Notably in its, Mahayallivtic colllext', which had wzderwent lranic metamorphosis via Zoroastrian - derived concepts, which became a tuming point in growth of Buddhism in the Fareast zone of China Qlzd Souteastem Asia.