The area of Surat Thani was already inhabited in prehistoric times by Semang and Malayan tribes. Founded in the 3rd century, until the 13th century the Srivijaya kingdom dominated the Malay Peninsula. The city Chaiya contains several ruins from Srivijaya times, and was probably a regional capital of the kingdom. Some Thai historians even claim that it was the capital of the kingdom itself for some time, but this is generally disputed. Wiang Sa was another main settlement of that time. After the fall of the Srivijaya it was divided into the cities (Mueang) Chaiya, Thatong (now Kanchanadit) and Khirirat Nikhom. While Chaiya was administrated directly from the capital, Thatong and Khirirat were controlled by the Nakhon Si Thammarat kingdom. In 1899 they were merged into one province named Chaiya. In 1915 also the court of the Monthon Chumphon was moved to Bandon, which received its new name Surat Thani on July 29, 1915 during a visit of King Vajiravudh (Rama VI). The monthon was renamed t- Category ID : 119415