State Visit of President Rodrigo Roa Duterte to Brunei Darussalam October 16-18, 2016 President Rodrigo Roa Duterte is set to hold a State Visit to Bandar Seri Begawan, Brunei Darussalam on October 16-18, 2016 as part of his rounds among fellow Heads of State/Government (HOS/G) of the Association of Southeast Asian Nations (ASEAN) member countries. continue reading : Working Visit of President Rodrigo Roa Duterte to Bandar Seri Begawan, Brunei Darussalam