According to the Chinese Imperial Annals, Ma-yi had its center in the province and extends to as far as Cavite, Laguna, Rizal, Quezon, Bataan, Bulacan, Mindoro, Marinduque, Nueva Ecija, some parts of Zambales, and Tarlac.
According to experts, the image in the pot strongly resembles the iconographic portrayal of Buddha in Siam, India, and Nepal. Eighteen years later, a grave was excavated in nearby Punta Buaya.
The pot shows Buddha Amithaba in the tribhanga One of the major archaeological finds was in January 1941, where two crude stone figures were found in Palapat in the municipality of Calatagan. Pieces of brain coral were carved behind the heads of the 12 remains that were found. The remains were accompanied by furniture that could be traced as early as the 14th century.
Inhabitants of the province were also trading with Japan and India.
The Philippines ancestors were Buddhists and Hindus, but far from India and intermixed with animistic beliefs.
Partly because most of the tribes in their immediate environment were related to them by blood.
Some weapons Batangans used included the bakyang (bows and arrows), the bangkaw (spears), and the suwan (bolo).The term 'Tagalog' may have been derived from the word taga-ilog or "river dwellers" referring to the Pasig River located further up north of the region.However, Wang Teh-Ming in his writings on Sino-Filipino relations points out that Batangas was the real center of the Tagalog tribe, which he then identified as Ma-yi or Ma-i.It also meant the numerous logs found in the Calumpang River, the body of water that runs through the northeastern portion of the town and assumes the shape of a tuning fork.Long before the arrival of the Spaniards in the Philippines, large centers of population already thrived in Batangas.Archaeological findings show that before the settlement of the Spaniards in the country, the Tagalogs, especially the Batangueños, had attained a semblance of high civilization.