The Silk Roads brought about the transmission of knowledge, ideas, cultures and beliefs, which had a profound impact on the history and civilizations of the Eurasian peoples. Countless historic natural and cultural sites remain along the Silk Road. UNESCO has a long history of working to safeguard the rich cultural heritage of the Silk Roads and promoting its contribution to sustainable development and sustainable tourism. Since 2003, UNESCO’s World Heritage Centre has coordinated the preparation of the serial transnational World Heritage nomination of the Silk Roads Cultural Route in Asia. The project aims to guide States Parties to the 1972 World Heritage Convention in preparing Silk Roads serial transnational World Heritage nomination dossiers to address the gap of under-represented categories of World Heritage, namely heritage routes. This also contributes to the implementation of the World Heritage Committee’s Global Strategy for a Representative, Credible, and Balanced World Heritage List, adopted in 1994. Work undertaken as part of the UNESCO Japan Funds-in-Trust ( JFIT) project “Support for Documentation Standards and Procedures of the Silk Roads World Heritage Serial and Transnational Nomination in Central Asia (Phase I)” (2011 – 2014) and “Support for Silk Roads World Heritage Sites in Central Asia (Phase II) ” (2015-2019), made enormous progress towards establishing standards of documentation and research necessary to finalize the first two nominations of Silk Roads corridors. The nominations were examined at the 38th session of the World Heritage Committee from 15-25 June 2014 in Doha, Qatar: “Silk Roads: Penjikent-Samarkand-Poykent Corridor”, jointly submitted by Tajikistan and Uzbekistan was referred, and “Silk Roads: the Routes Network of Chang'an-Tianshan Corridor”, jointly submitted by China, Kazakhstan and Kyrgyzstan was inscribed on the World Heritage List. To respond to the growing demand for Silk Roads tourism, the project is also partnering with the UNESCO/Netherlands Funds-in-Trust project, “Developing a Common Tourism Strategy for the Silk Roads Heritage Corridor in Central Asia and China,” administered by the World Heritage Centre, in close cooperation with the World Tourism Organization (UNWTO). The project has contributed to 4 SDGs including Goal 8 and Goal 12 on sustainable tourism and promotion of local culture and products, Goal 11 on protection of world heritage, and Goal 16 on sustainable and inclusive societies. Within the framework of the UNESCO/Republic of Korea Funds-in- Trust (RoK FiT), “Support for the Preparation of the World Heritage Serial Nomination of the Silk Roads in South Asia” (Korean FiT Silk Roads Phase I project - June 2013 to August 2016), was important to reinforce the capacity of national authorities in each of the South Asian countries, particularly Bhutan and Nepal, for the documentation and surveying of archaeological and architectural sites and the digitalization of archives. At sub-regional level, the project also helped set up transnational documentation strategies and methodologies, along with information sharing systems. The project also showed that a significant investment in technological resources and strong support for local capacity building are further essential elements in transnational and serial nominations, particularly when a project involves approaches and techniques that are new to the States Parties. In this Final Technical Report of the “UNESCO-Korean FIT Support for the Asian Silk Roads World Heritage Serial and Transnational Nomination(s) Phase II project (2018-2022)”, the lectures can see how the objectives of this important project aimed to further enhance the capacities of the national authorities of the Asian countries for the protection of cultural heritage, training them in further documentation and archaeological research, conservation and management planning to ensure the sustainable management of the Silk Roads corridors. It also increased diversity and representativeness on the World Heritage List and is currently helping other Asian developing countries’ heritage projects. The UNESCO Korean FIT Silk Roads projects (Phase I 2013-2016 focusing South Asian countries and Phase II 2018-2022 covering pan Asian countries) have been a show-case for this South-South and triangular cooperation to support countries in harnessing culture as a driver and enabler in “Safeguarding World Heritage along the Silk Roads to promote sustainable development and sustainable tourism”.