Koothanallur is located at distance of around 25 km from Nagapatnam harbor. The people of Koothanallur have longstanding business relation with East Asian countries. Koothanallur has a population of around 22000.
An ancient Siva Temple, Thiru Rameshwaram, is situated at a distance of 6 km from Koothanallur. The temple is believed to be constructed and worshipped by
Lord Ram.
The nearby railhead is
Tiruvarur. Koothanallur is connected by road to Mannargudi and Tiruvarur.
