“The Port Trade Centre and Roman Exchange with the Indian Subcontinent”. Arikamedu was an Indo-Roman trading city and one of the earliest known Indo-Pacific bead making centres. The site was mentioned in the Periplus of the Erythraean Sea a Greco-Roman text of the 1st century CE. Arikamedu was referred to by the Roman name ‘Poduke’, appearing again as ‘Poduke emporion’ in Ptolemy’s atlas Geographia in the mid-1st century CE. Arikamedu is one of the most important sites of Silk Roads contacts, an archaeological site located in Southern India close to the city Puducherry on the banks of the Ariyankuppam river.