Sathyamangalam (also known as Sathy) is a town and municipality in Erode district in the Indian state of Tamil Nadu.
It lies on the banks of river Bhavani, a tributary of Kaveri in the foothills of the Western Ghats. It is about 65 km from Erode and 70 km from Coimbatore. As of 2011, the town had a population of 37,816.
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http://en.wikipedia.org/wiki/Sathyamangalam