Thiyagadurgam is a selection grade panchayat town in Kallakurichi district in the Indian state of Tamil Nadu.

Villupuram, Cuddalore, and Pondicherry on the east and Thirukovilur, Thiruvannamalai on the north and Kallakurichi, Athur, and Salem on the west are the major urban centers, well connected with this town through districts roads and national Highways (NH 65, NH45) line.

The town is bounded by Udhayamampattu on the north, Gandhi Nagar and Periyamampattu on the East, Pukkulam on the south.

National Highway 79 (4 laned) connecting Ulundurpet with Salem abuts the town.

TNSTC Buses plying from Chennai to Salem and Kallakurichi pass through this town at regular frequencies.