Koothanur is a town situated in the Tiruvarur district of Tamil Nadu, India (10.9315° N, 79.6474° E).
The town is located at a distance of 25 kilometres from Tiruvarur.
A temple for Saraswati, the Hindu goddess of learning is situated in this place.
Koothanur is the only temple in Tamil Nadu for the goddess Saraswati.
There is another reason for the name of this place which is Rajaraja Chola II gifted this village for koothan's poem because he is a great poet.