The Andhra Ikshvaku dynasty ruled in the eastern Krishna River valley of India, from their capital at Vijayapuri for over a century during 3rd and 4th centuries CE. The Ikshvakus are also known as the Ikshvakus of Vijayapuri to distinguish them from their legendary namesakes.

Nagarjunakonda: Nāgārjunikoṇḍa, meaning Nagarjuna Hill) is a historical town, now an island located near Nagarjuna Sagar in Palnadu district of the Indian state of Andhra Pradesh. It is one of India's richest Buddhist sites, and now lies almost entirely under the lake created by the Nagarjuna Sagar Dam. With the construction of the dam, the archaeological relics at Nagarjunakonda were submerged, and had to be excavated and transferred to higher land, which has become an island.