Avadi is a rapidly growing urban constituency in Tiruvallur district, Tamil Nadu, situated about 23 km from Chennai city center. It is a prominent residential and industrial hub, home to major defense establishments such as the Heavy Vehicles Factory (HVF), Engine Factory Avadi (EFA), and Combat Vehicles Research and Development Establishment (CVRDE). The area also hosts several educational institutions, IT parks, and manufacturing units, contributing to its economic importance. Well connected by road and rail to Chennai and surrounding regions, Avadi blends defense-driven industrial activity with modern urban living and traditional Tamil heritage.