The Nellore Sri Ranganatha Swamy Temple is one of the oldest temples in Andhra Pradesh, dating back to the 7th-8th century. The main deity, Lord Ranganatha, is depicted in a reclining posture on the serpent Adisesha. The temple is known for its peaceful atmosphere and intricate sculptures, attracting devotees and art enthusiasts alike.

The temple's origins are traced back to the Pallava period (7th-8th century). It has undergone several renovations and expansions over the centuries, with significant contributions from the Chola, Pandya, and Vijayanagara empires. Local legends associate the temple with sage Bharadwaja and the epic Ramayana.

The temple follows Dravidian architectural style with influences from various periods: - A five-tiered rajagopuram (main tower) at the entrance - Spacious mandapams (halls) with intricately carved pillars - The main sanctum housing the reclining Lord Ranganatha - Beautiful sculptures depicting various forms of Vishnu and scenes from Hindu mythology - A sacred temple tank (pushkarini) within the complex