The Tourism Authority of Thailand (TAT) (Thai: การท่องเที่ยวแห่งประเทศไทย) is an organization of Thailand under the Ministry of Tourism and Sports. Its mandate is to promote Thailand’s tourism industry, and protect the environment.
An organization called Tourism of Thailand was founded in 1924. For 50 years, responsibility for attracting tourists to Thailand bounced around between the State Railway of Thailand, the Ministry of Commerce, the Ministry of Transport and the Office of the Prime Minister. The Tourism Authority of Thailand (TAT) was established on 4 May 1979.