Kaverippattinam through time

Now Poompuhar, near Sirkazhi, Tamil Nadu

Theme 8d · 300 BCE to 300 CE, with the Megalithic phase from 1200 BCE
The Sangam age
Puhar, the greatest Chola port city, with lighthouse towers, quarters for foreign merchants and warehouses, described in Pattinappalai, Perumpanarruppatai and the Silappatikaram