Gaya District Magistrate Kumar Ravi said Prayut Chan-o-Cha, who arrived at Bodh Gaya international airport on Saturday morning, offered prayers and circumambulated the Mahabodhi tree under which Lord Buddha is said to have attained enlightenment.
A district police officer said the prime minister also visited the Thai monestary in Bodh Gaya, about 110 km from Patna.
After offering prayers and spending time under Bodhi tree, Prayut expressed happiness and satisfaction, police officer said.
He is in India on a three-day visit from June 16 on Prime Minister Narendra Modi's invitation. He will leave for Bangkok on Saturday afternoon.