This Asia Oceania Otorhinolaryngological Head and Neck Surgery Congress (AO ORL HNS) is held every four years within the Asia Oceania region. This will be the 16th congress of the Asia Oceania Association, with the most recent meeting held in Brisbane in March 2023.

Asia Oceania Association of Oto-Rhino-Laryngological Society was founded in 1965 in order to bring together the Ear-Nose & Throat specialists in the region to meet and to exchange our experiences, knowledge and learn more from each other. The first congress started in Manila in the year 1967 and then held congress held every 4 years moving from one country to another according to the majority votes for the place to meet.