Sri Sundareswarar Temple is a Lord Shiva temple in Annapanpettai in Nagapattinam district of Tamilnadu. It is a padal petra sthalam and 8th in the series.
This is a small temple without Raja gopuram and Kodimaram. The temple town is also known as Thirukalikamoor. The Lord Vinayagar here is also famous here as there are three Vinayagar here in Lord Shiva sanctum.
The Lord Shiva here is a swayambu murthy.

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.