Localització: Southeastern Asia, bordering the Andaman Sea and the Gulf of Thailand, southeast of Burma
Coordenades geogràfiques: 15° 0' N, 100° 0' E
Km de costa: 3,219 km km
Clima: tropical; rainy, warm, cloudy southwest monsoon (mid-May to September); dry, cool northeast monsoon (November to mid-March); southern isthmus always hot and humid
Terreny: central plain; Khorat Plateau in the east; mountains elsewhere
Elevació: lowest point: Gulf of Thailand 0 m
highest point: Doi Inthanon 2,576 m
Perills naturals: land subsidence in Bangkok area resulting from the depletion of the water table; droughts
Moneda: baht (THB)
Població: 65,444,371 (July 2005 est.)
Idiomes: Thai, English (secondary language of the elite), ethnic and regional dialects
Capital: Bangkok
Divisions: 76 provinces (changwat, singular and plural); Amnat Charoen, Ang Thong, Buriram, Chachoengsao, Chai Nat, Chaiyaphum, Chanthaburi, Chiang Mai, Chiang Rai, Chon Buri, Chumphon, Kalasin, Kamphaeng Phet, Kanchanaburi, Khon Kaen, Krabi, Krung Thep Mahanakhon (Bangkok), Lampang, Lamphun, Loei, Lop Buri, Mae Hong Son, Maha Sarakham, Mukdahan, Nakhon Nayok, Nakhon Pathom, Nakhon Phanom, Nakhon Ratchasima, Nakhon Sawan, Nakhon Si Thammarat, Nan, Narathiwat, Nong Bua Lamphu, Nong Khai, Nonthaburi, Pathum Thani, Pattani, Phangnga, Phatthalung, Phayao, Phetchabun, Phetchaburi, Phichit, Phitsanulok, Phra Nakhon Si Ayutthaya, Phrae, Phuket, Prachin Buri, Prachuap Khiri Khan, Ranong, Ratchaburi, Rayong, Roi Et, Sa Kaeo, Sakon Nakhon, Samut Prakan, Samut Sakhon, Samut Songkhram, Sara Buri, Satun, Sing Buri, Sisaket, Songkhla, Sukhothai, Suphan Buri, Surat Thani, Surin, Tak, Trang, Trat, Ubon Ratchathani, Udon Thani, Uthai Thani, Uttaradit, Yala, Yasothon