Tirukkovilur is situated on the southern bank of the river Pennar in Tirukkovilur taluk of Villupuram district. It was the capital of Malayaman chieftains of the Sangam age.

The excavation conducted here yielded amphorae pieces, red slipped ware, red ware, pottery pieces with graffiti marks and potteries of later period datable from 100 BCE to 1300 CE.

An interesting finding is the occurrence of a pipeline measuring 9.5 metres laid with fifty terracotta pipes. This pipeline must have been used for bringing drinking water from the river or channel nearby. Another important finding from this trench was a red ware potsherd having been embedded with a female figure datable to 4th century CE.