Dharmapuram is located 1.8 km away from Karaikal town. It is on the western side of Karaikal district. Dharmapuram is renowned for the shrine of Sri Yazhmurinatheeswar. It is popularly believed that Saint Thirugnanasambandar visited this temple and sang a pathigam in the name of the deity Sri Yazhmurinatheeswar. There are many budget accommodations nearby the area.