During October 13th – 15th, 2022, Prof. Aasis Unnanuntana, Professor of Orthopaedic Surgery from the Department of Orthopaedic Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, attended the “66th Annual Congress of the Korean Orthopaedic Association 2022″ in Seoul, Republic of Korea, as a speaker from Guest Nation (Thailand) on the topic “Comprehensive Treatment of Femoral Neck Fracture in the Elderly.”