World Tea Culture Industry Conference was organized by Korean Tea Culture Association in Changwon City (Republic of Korea) from 13 to 16 May 2023. Participants from Australia, India, Indonesia, Japan, Kazakhstan, Kenya, Republic of Korea, Sri Lanka, Uzbekistan, and Vietnam shared various dimensions of tea culture in their countries and acknowledged its potential contribution to the 2030 Agenda for Sustainable Development, in particularly to the reduction of extreme poverty, the fight against hunger, the empowerment of women, and the sustainable use of terrestrial ecosystems. Participants expressed their deep appreciation by the resolution of the 74th session of the UN General Assembly (2019) to designate 21 May as International Tea Day and decisions of the 17th session of the UNESCO Intergovernmental Committee for the Safeguarding of the Intangible Cultural Heritage (2022) on inscription of the elements “Culture of Tea, a symbol of identity, hospitality and social interaction in Azerbaijan and Türkiye” and “Traditional tea processing techniques and associated social practices in China” to the Representative List of Intangible Cultural Heritage of Humanity under the 2003 Convention. The need for concerted and collaborative action towards securing multinational recognition of tea culture on the UNESCO Representative List was emphasized during deliberations of participants. The strategy for multinational nomination on tea culture along Silk Roads was presented by the International Institute for Central Asian Studies (IICAS). Conference adopted Changwon Declaration on World Tea Culture as platform for international collaboration in preparation of the multinational nomination on tea culture.