The Episcopal Conference of Thailand is composed of 2 ecclesiastical provinces, each headed by an archbishop, and 9 suffragan dioceses.
Episcopal Conference of Thailand Ecclesiastical Province of Bangkok Archdiocese of Bangkok Diocese of Chanthaburi Diocese of Chiang Mai Diocese of Chiang Rai Diocese of Nakhon Sawan Diocese of Ratchaburi Diocese of Surat Thani
Ecclesiastical Province of Thare and Nonseng Archdiocese of Thare and Nonseng Diocese of Nakhon Ratchasima Diocese of Ubon Ratchathani Diocese of Udon Thani
See also Christianity in Thailand Catholic Church in Thailand List of Catholic dioceses (structured view)#Episcopal Conference of Thailand
External links Catholic-Hierarchy entry GCatholic.org.