Thiruvanthipuram Kovil is a Vaishanva Hindu Temple in Thiruvanthipuram, Tamil Nadu in South India. The primary deity here is Lord Vishnu in the form Devanatha Swami. The koil is among the 108 Divya Desams, the holy abodes of Lord Vishnu. Constructed in the Dravidian style of architecture, it is mentioned in the Divya Prabandha of the Alvar saints. Located in the edge of the river Gadilam. Devanatha Swami Temple is a famous temple of Hindu worship. The great philosopher Sri Ramanuja, the disciple of Lord Vishnu lived in this place. Hayagriva temple is also located here. Hayagriva is worshipped in a solitary pose of meditation in this temple, This form is known as Yoga-Hayagriva.