The history of Annavaram Temple dates back to the 19th century when a local zamindar, Sri I.V. Ramanarayana, had a divine vision. Inspired by this vision, he established the temple on Ratnagiri Hill. The main deity, Lord Satyanarayana Swamy, is believed to fulfill the wishes of devotees who offer prayers with sincerity. Over the years, the temple has grown into a major pilgrimage center, attracting millions of devotees from across the country. The temple's architecture reflects a blend of Dravidian and Kalinga styles, showcasing the region's rich artistic heritage. The temple has undergone several renovations and expansions, but it has retained its original spiritual essence.