The Maurya Empire was a geographically extensive Iron Age historical power in ancient India, ruled by the Mauryan dynasty from 322 to 185 BCE. Originating from the kingdom of Magadha in the Indo-Gangetic plains (modern Bihar, eastern Uttar Pradesh) in the eastern side of the Indian subcontinent, the empire had its capital city at Pataliputra (modern Patna).[1][2] The Empire was founded in 322 BCE by Chandragupta Maurya, who had overthrown the Nanda Dynasty and rapidly expanded his power westwards across central and western India, taking advantage of the disruptions of local powers in the wake of the withdrawal westward by Alexander the Great's Greek armies. By 320 BCE the empire had fully occupied Northwestern India, defeating and conquering the satraps left by Alexander.[3]
The Maurya Empire was one of the world's largest empires in its time, and the largest ever in the Indian subcontinent. At its greatest extent, the empire stretched to the north along the natural boundaries of the Himalayas, and to the east stretching into what is now Assam. To the west, it conquered beyond modern Pakistan, annexing Khorasan, Balochistan, south eastern parts of Iran and much of what is now Afghanistan, including the modern Herat[3] and Kandahar provinces. The Empire was expanded into India's central and southern regions by the emperors Chandragupta and Bindusara, but it excluded a small portion of unexplored