At a distance of 95 km from Rajahmundry, 111 km from Kakinada, 15 Kms from Narasapur, 35 km from Palakollu, 171 km from Vijayawada & 430 Kms from Hyderabad, Antharvedi is the place where Godavari confluences with Bay of Bengal. This place is also famous for Sri Lakshmi Narasimha Swamy Temple situated on the banks of River Godavari.
In this temple, the deity is faced towards West instead of East as in other temples. Vashishta Sevashram is situated on a small island near River Godavari and can be reached by a boat from the bank near temple. There is a small Shiva Temple near the main temple.
Bramhotsavams celebrated here are very famous and attract lakhs of devotees from the whole state. Other festivals celebrated here include Sri Swamy Vari Kalyanam, Rathayatra ,Sri Venkateswara Swamy kalyanam, Sri Narasimha Jayanthi.
There is a small light house near the temple, from where the whole surroundings of the temple, the confluence of River Godavari can be seen clearly. It is accessible by frequent buses from Narasapur town (150 Kms from Annavaram)