Sri Mandirapurisvarar Temple is a Lord Shiva temple in Kovilur in Thiruvarur district in Tamil Nadu. It is one of the padal petra sthalam and the Lord Shiva here was worshipped by Thirugnasambandar.
The shiva lingam is white in color and it is a swayambu moorthy. The temple is an ancient one and hence you will not find navagraha here. Besides, you have lingam which were worshipped by Varuna, Vishwamitra and Markendaya.

Padal Petra Sthalam
This is one of the 276 temples mentioned in Devaram which are collections of songs of these temples by Thirunavukkarasar, Thirugnasambandar, Sundarar and Manickavasagar. These collection of songs composed by the great saints describe many of these temples, deities, history, legends, sthala vruksha, temple ponds and other details about the god and temple.