Erode District (previously known as
Periyar District) is a district in the
Kongu Nadu region (western part) of the
state of
Tamil Nadu,
India. It was the largest district by area in the state before the Formation of
Tirupur District and the headquarters of the district is
Erode. It is divided into two revenue divisions namely
Erode and
Gobichettipalayam and further subdivided into 6 taluks. Periyar district was a part of
Coimbatore District before its
bifurcation on September 17, 1979 and was renamed as Erode District in 1996. As of 2011, the district had a population of 2,251,744 with a sex-ratio of 993 females for every 1,000 males, much above the national average of 929.