The Supreme Patriarch of Thailand or Sangharaja is the head of the order of Buddhist monks in Thailand. His full title is Somdet Phra Saṅgharāja Sakalamahāsaṅghapariṇāyaka. From Wikipedia
The relics, transported with full state honors, are on display at Thanh Tam Monastery in Ho Chi Minh City until May 7, marking their first-ever exhibition in Vietnam.
