China, Egypt, Indonesia and Thailand
A Tamil-Brahmi inscription on pottery from the 2nd century AD has been excavated in Thailand, by a Thai-French team of archaeologists, led by Dr. Bérénice Bellina of the Centre National de la Recherche Scientifique, France and Praon Silpanth, Lecturer - Silpakorn University, Thailand. They discovered a shard of inscribed pottery during their excavations at Phu Khao Thong in Thailand. A touchstone engraved in Tamil in the Tamil-Brahmi script from about the 3rd or 4th century AD had already been found in Thailand and is in a museum in the ancient port city of Khuan Luk Pat in Southern Thailand. There are also Tamil inscriptions found in China and Egypt.
Read more about this topic: Tamil Language