Theravada or Hinayana Buddhism is the national religion of Thailand (faith of 95% of the population) but there is total religious freedom and both the king and the governement support all the religions.
Temples and representations of Buddha are ubiquitous in Thai society and represent a real delight for the eyes.
Wat Thep Sirin
Wat Phra Chetuphon, also known as Wat Pho. The oldest and largest temple in Bangkok
The reclining Buddha in Wat Pho (46 meters long and 15 meters high)
Around Wat Phra Kaew
In the ruins of Sukhothai, capital of an early kingdom (from 1238 to 1438)