Archdiocese / Diocese in Thailand Archdiocese of Bangkok Archdiocese of Thare-Nongseng Diocese of Chanthaburi Diocese of Ubon Ratchathani Diocese of Nakhon Ratchasima Diocese of Ratchaburi Diocese of Surat Thani Diocese of Chiang Mai Diocese of Udon Thani Diocese of Nakhon Sawan Diocese of Chiang Rai Prev