Kalaiyar Kovil is a historical location in Sivaganga District, Kalayarkovil Taluk, Tamil Nadu, India which was led by the Maruthu Pandiyar or Maruthu Sakothararkal. There is a huge Shiva sanctuary. Kalaiyar Kovil is possessed by the group of the Rajah of Sivaganga. It is controlled by their devasthanam, and a trust of the zamindar group of Devakottai. Kalayarkovil is vital city Sivagangai locale. Kalaiyar Kovil gotten its name from the Kaleeswarar sanctuary of the place. Kalaiyar is a debasement of the word Kaleeswaran. Amid the Sangam time frame, this place was referred to as Kaanapair as is seen from the 21st stanza in the purananooru sung by Iyur moolakizhar, a writer of the Sangam time frame.
There are 3 places of worship in this sanctuary related with 3 elements of creation, protection and culmination. The managing divinity master shiva is called as Kaaleeswarar, Someswarar, Sundareswarar and the Ambal his partner mother Parvathy is called as Swarnambikai, Soundara Nayagi, Meenakshi. Kalaiyarkoil was the seat of the rulers from early days. Lord Vengai Marban led over this zone amid Sangam period. It was the fortification of leaders of Sivangangai. It was likewise the seat of the opportunity contenders like Muthu Vaduga Natha.