Vaitheeswaran Koil, located in Mayiladuthurai district of Tamil Nadu, is one of the revered Shaiva temples dedicated to Lord Vaitheeswaran, worshipped as the Divine Healer. The temple is traditionally associated with healing, spiritual devotion, and the ancient practice of Nadi Astrology, making it a significant destination for devotees and seekers interested in Tamil spiritual heritage. The temple complex reflects centuries of Dravidian architectural tradition, with its sacred shrines, towering gopuram, temple tank, and deeply rooted religious customs creating an atmosphere of devotion and serenity. Vaitheeswaran Koil is also widely known as an important centre associated with palm-leaf Nadi Astrology, where traditional practitioners interpret ancient Olaichuvadi manuscripts to provide personalised guidance concerning different aspects of life. For visitors seeking a combination of temple spirituality, traditional Nadi Astrology, and Tamil cultural heritage, Vaitheeswaran Koil offers a distinctive spiritual experience rooted in centuries-old traditions.