Padmanabhaswamy temple is located in Thiruvananthapuram, Kerala, India . The temple is built in Dravidian style of architecture associated with the temples located in the neighboring state of Tamil Nadu, featuring high walls and a 16th-century Gopuram. While the Moolasthanam of the temple is the Ananthapuram Temple in Kasargod, architecturally to some extent, the temple is a replica of the Adikesava Perumal temple located in Kanyakumari District.It is the richest Hindu temple in the world. In fact, in terms of precious metals and precious stones, it is by far the wealthiest institution and place of worship of any kind in the recorded history of the world.

The principal deity Vishnu is enshrined in the "Anantha Sayanam" posture, the eternal yogic sleep on the serpent Adisheshan. Sree Padmanabhaswamy is the tutelary deity of the royal family of Travancore. The titular Maharaja of Travancore Moolam Thirunal Rama Varma is the trustee of the temple as Sree Padmanabhadasa, the slave of Lord Padmanabha. In line with the Temple Entry Proclamation, only those who profess the Hindu faith are permitted entry to the temple and devotees have to strictly follow the dress code.