Khao Sam Kaeo

(400–100 BCE) Khao Sam Kaeo is an archaeological port settlement on Thailand's Malay Peninsula at the Kra Isthmus [1]. Located in Chumphon province's Na Cha-ang subdistrict, it functioned as a major crossroads between the South China Sea and Bay of Bengal regions [1]. Excavations uncovered materials originating from the South China Sea, Philippines, and Taiwan, demonstrating its role in the maritime silk road network [1]. The site reveals extensive trans-Asian cultural exchange through ceramics, stone adzes, pendants, and jewelry crafted in Indian technical styles yet produced locally, indicating foreign craftsmen resided there for extended periods [1]. This evidence shows Khao Sam Kaeo facilitated not just trade but substantial technological and ideological transfer across Asia [1].