Thanjai Mamani Koil

Thanjai Mamani Koil is a set of three Hindu temples dedicated to Lord Vishnu located in Thanjavur, Tamil Nadu, India and are close to each other. It is one of the "Divya Desams", the 108 temples of Vishnu revered by the 12 poet saints, or Alwars. Unlike other "Divyadesams" where a single shrine is referred, this set of temples is referred together in all the "paasurams"(poems).
Legend.
The temple finds mention in "Brahmanda Purana". During the Treta Yuga, there were three demons by name Tanchakan, Tantakan and Kacamukan who were blessed by Shiva became very powerful. They grew arrogant and troubled sage Parashara who was doing penance at this place. Vishnu killed Thanjakan with his Chakra, the wheel. Tancakan pleaded with Vishnu to relieve him off the curse and Vishnu named the place after his name and hence it came to be named as "Thanjavur". Kachamukan was killed by Vishnu taking the form of a "yali", a mythical creature. Vishnu took the form of Varaha the boar to kill the third demon Tantakan, who feld to Srimushnam.
Maamanikoil.
The temple has small east facing shrine with the Lord and consort in the same sanctum. All of the Thirumangai Alvar "pasurams"(poems) of Thanjai refer to this shrine.
Manikunram.
The temple has small east facing shrine with the Lord and consort in the same sanctum. All of the Nammalvar "pasurams"(poems) of Thanjai refer to this shrine.
Thanjiyali Nagar.
The temple has small east facing shrine with the Lord and consort in the same sanctum. All of the Bhoothathalvar "pasurams"(poems) of Thanjai refer to this shrine.
Legend.
The temple is located in the banks of Vennaaru River. The Lord is believed to have appeared for sage Parasarar