Thailand facts Selected as the most interesting among Southeast Asia related questions in Southeast Asia quiz Which surname is very common among Thais?None. There are no common Thai surnames. Surnames were largely introduced to Thai culture only by the 1913 Surname Act. Under Thai law, only one family can use any given surname: any two people of the same surname must be related, and it is very rare for two people to share the same full name. Created by: Monica Stillerpeoples facts » Where is the Kwai river?In Thailand. River Kwai in Thailand today, but there was no such river when the "bridge on the River Kwai" was created. The movie tells a fictional story, and the film crew built a wooden bridge on the Mae Klong river. This part of the river was then renamed Khwae Yai to bring geographical fact more in line with the movie.Created by: Kasiafilm facts » What is the only country in Southeast Asia that was never colonized?Thailand. For the past four centuries, Thai rulers exploited the rivalry between French Indochina and the British Empire, keeping Thailand as a buffer state between parts of Southeast Asia that were colonized by these two powers. Created by: Debbie FoxSoutheast Asia facts » In which country practicing Buddhists constitute the largest part of population?In Thailand. It is estimated that 93% of population in Thailand and Cambodia are practicing Buddhists. There are also a lot of practicing Buddhists in Burma, Bhutan, Laos and Sri Lanka, while only 36% in Japan and 9% in Nepal.Created by: globalquiz.orgBuddhism facts » Where is this dance from?Thailand. Dance is the main dramatic art form of Thailand. For centuries, the elegant Thai dance drama was supported by regal patronage.Created by: globalquiz.orgdance facts » Where is Bangkok?At point 3. The location of Bangkok is easily recognizable thanks to the distinctive square-shaped Bay of Bangkok. Created by: globalquiz.orgmap facts » What is the dominant religion in Thailand?Buddhism. Thailand's national religion, Theravada Buddhism, is central to modern Thai identity. 94% of Thais are Buddhists.Created by: Cheyenne Wolfegeography of Asia facts » Play Southeast Asia quiz and see all the questions.