Hosted by Vietnam in the city of Hanoi. 

On 24 November 2021: IHP Regional Steering Committee for Asia and the Pacific (RSC-AP). As the HTC KL is a member of the UNESCO Water Family in Asia and the Pacific, Mr. Mohamad Nazif (Director HTC KL) had presented the Director’s Report Updates from water-related Centres under the auspices of UNESCO in Asia and the Pacific. 

while on 25 November 2021: Catalogue of Hydrologic Analysis (CHA). Ir Dr. Norlida Mohd Dom (Deputy Director HTC KL) as Contributors towards CHA Volume II (“Dam reservoir operation for addressing water-related disasters, water scarcity and quality) had presented entitled Dam Reservoir Operation for Safe Communities at the Perak River basin in Malaysia.