o It is a Hindu temple.
o The temple is built in an intricate fusion of the Chera style and the Dravidian style of architecture, featuring high walls, and a 16th-century gopura.
o The principal deity Padmanabhaswamy (Vishnu) is enshrined in the "Anantha Shayana" posture, the eternal yogic sleep on the serpent Adi Shesha.
o The Temple has been referred to in the Sangam period of literature between 500 BCE and 300 CE several times.