Ulundurpet (also spelled Ulundurpettai) is a prominent town, major commercial junction, and administrative taluk located in the Kallakurichi district of Tamil Nadu. Widely known as the "Gateway Matrix" of Tamil Nadu, Ulundurpet’s identity, history, and economy are profoundly dictated by its incredible geographical location, making it one of the most vital logistical bottlenecks and transit zones in southern India.