Submitted:
14 August 2025
Posted:
15 August 2025
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Abstract
Keywords:
1. Introduction
2. Literature Review: Spatial Justice and Post-Development Critique
2.1. Spatial Justice and Development Disparities
2.2. Post-Development Critique and Community Agency
2.3. Integrative Framework for CBT in Vietnam
2.4. Research Design
2.5. Research Questions
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Main Research Question:How do systemic issues—particularly funding structures and spatial inequality—affect the initiation, visibility, and effectiveness of Community-Based Tourism (CBT) initiatives across Vietnam?
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Subsidiary Questions:
- In what ways does the distribution and flexibility of investment mechanisms contribute to regional disparities in CBT development, particularly the dominance of Southern Mekong areas?
- How do active NGO involvement and local organizational participation influence the financial agency and tourism readiness of marginalized communities?
2.6. Data Collection
2.7. Methodology: Theoretical Framing and Data Strategy
3. Results
3.1. Financial and Infrastructure Investments
3.2. Macro vs. Micro-Level Funding Strategies: Implications for Equity
| Region | Investment Focus |
Total Amount Invested (USD) |
| World Bank | Large-scale infrastructure, economic integration, climate resilience |
US $25.9 Billion |
| Asian Development Bank (ADB) | Transport infrastructure, clean energy, vocational training, rural development, climate resilience | US $18 Billion1 |
| IFAD | Small-scale rural infrastructure, livelihood diversification, community-led empowerment | US $788 Million |
3.3. IFAD’s Targeted Funding Strategy and Spatial Equity Implications
3.4. Macro-Level Donor Investment Patterns: Centralization and Corridor Bias
3.5. Regional Development Barriers and Spatial Disparities in CBT Readiness
| Regional Needs (Common Problems) | IFAD’s Common Project Investments |
| Limited entrepreneurship skills and inadequate infrastructure across all regions | Entrepreneurship support, rural enterprise development, basic infrastructure investment (IMPP, DBRP, DPRPR) |
| Region | Region-Specific Needs | IFAD’s Region-Specific Investments |
| Northern Highlands | Freshwater shortage, financial literacy gaps, minority empowerment, negative perceptions of local tourism activities (street vending) | Infrastructure enhancement, ethnic minority empowerment, market integration, rural enterprise support (DPRPR, 3EM, DBRP) |
| Central Vietnam | Cultural misunderstandings, insufficient promotion of cultural heritage, inadequate facilities, environmental sustainability concerns, agro-economic competition | Agro-forestry development, sustainable agricultural practices, poverty alleviation for ethnic minorities (3PAD, TNSP) |
| Mekong Delta & Southern Peri-Urban | Gender-based pressures, ineffective marketing, socio-economic challenges (pollution, increased living costs, social issues), vulnerability to climate impacts | Market access enhancement, rural enterprise and eco-tourism development, climate adaptation and mangrove-based innovations (IMPP, DBRP, IFIA, CSAT) |
4. Discussion
4.1. Rethinking CBT Empowerment through IFAD’s Model: Progress and Pitfalls
4.2. Spatial Disparities in CBT Access and Implementation
4.3. Epistemic Visibility and Development Narratives
4.4. Ethnicity, Poverty, and Structural Exclusion

4.5. Why can NGOs in Vietnam more Engaging in CBT?
4.6. NGO Engagement and Institutional Constraints in CBT Development
4.7. Strategic Pathways for Inclusive Knowledge and Policy
5. Conclusions
Funding
Pie Chart 1
Conflicts of Interest
Suggested Data Availability
Abbreviations
| Resolution 08-NQ/TW |
A key Vietnamese governmental tourism policy resolution issued on Jan 16, 2017 |
| CSAT | Climate-Smart Agriculture Transformation Project |
| CSSP | Commercial Smallholder Support Project |
| DBRP | Developing Business with the Rural Poor (DBRP) |
| DPRPR | Decentralized Programme for Rural Poverty Reduction |
| 3EM | Economic Empowerment of Ethnic Minorities |
| 3PAD | Pro-Poor Partnerships for Agro-Forestry Development |
| RIDP | Rural Income Diversification Project |
| IMPP | Improving Market Participation of the Poor |
| IFIA | Innovative Financial Incentives for Adaptation |
| TNSP | Tam Nong Support Project for Poor Rural Areas |
References
- (ADB, 2023). Asian Development Bank (2023). Vietnam: Projects and results. https://www.adb.org/where-we-work/viet-nam/projects-results.
- (Baulch et al., 2002) Baulch, B., Haughton, D., Haughton, J. H., & Chuyên, T. K. (2002). Ethnic Minority Development in Vietnam: A Socioeconomic Perspective. SSRN. Electronic Journal. [CrossRef]
- (Brown et al., 2018) Brown, K., Westaway, E., & Manyena, B. (2018). Resilience and social thresholds in community-based tourism. Tourism Geographies, 20(4), 547–568. [CrossRef]
- (Chi Thai, H. A., 2017) Chi Thai, H. A. (2017). Community involvement in developing community-based tourism: A case study of Vietnam’s Central Highlands. Vietnam Economist Annual Meeting Conference. http://www.researchgate.net/publication/369448974_Community_Involvement_in_Developing_Community-Based_Tourism_A_Case_Study_of_Vietnam%27s_Central_Highlands.
- (Cong and Thus, 2020) Cong, T. T., & Thu, N. T. (2020). Challenges in tourism entrepreneurship in Vietnam’s Central Highlands. Journal of Entrepreneurship and Innovation in Emerging Economies, 6(1), 85–99.
- (Conga and Chip, 2020) Conga, V. T., & Chip, N. H. (2020). Tourism diversification and agro-based livelihoods in Quang Nam Province. Vietnam Journal of Tourism Research, 10(2), 118–132.
- (Dikeç, 2001) Dikeç, M. (2001). Justice and the spatial imagination. Environment and Planning A, 33(10), 1785–1805. [CrossRef]
- (Duong, et al., 2023) Duong, T. X., Nguyen, T. L., & Le, H. T. (2023). Community readiness for tourism development in Northern Vietnam: A multidimensional assessment. Journal of Tourism and Development Studies, 15(2), 102–117.
- (Duong, 2025) Duong, T. X. (2025). Evaluation of the potential for community-based tourism development in Tra On district, Vinh Long province. International Journal of Innovative Research and Scientific Studies, 8(4), 2715–2723. [CrossRef]
- (Escobar, 1995) Escobar, A. (1995). Encountering development: The making and unmaking of the Third World. Princeton University Press.
- (FAO, 2021) Food and Agriculture Organization (FAO). (2021). Farmer Field Schools for Sustainable Agriculture. https://www.fao.org.
- (Folke, 2006) Folke, C. (2006). Resilience: The emergence of a perspective for social–ecological systems analyses. Global Environmental Change, 16(3), 253–267. [CrossRef]
- (Gao et al., 2021) Gao, T., Phan, L. H., & Tran, T. P. (2021). Tourism, pollution, and public health concerns in Southern Vietnam: A cross-sectional analysis. Environmental Research in Asia, 7(1), 59–74.
- (Garschagen et al., 2011) Garschagen, M., Diez, J. R., & Nhan, D. K. (2011). Socio-economic development in the Mekong Delta: Between the prospects for progress and the realms of reality. In G. Waibel, J. Ehlert, & H. Feuer (Eds.), Southeast Asia and the Civil Society Gaze: Scoping a Contested Concept in Cambodia and Vietnam (pp. 161–182). Routledge.
- (Ho and Nguyen, 2025) Ho, X. L., & Nguyen, Q. V. (2025). Assessment of influencing factors and development directions for economic growth through community-based tourism of ethnic minorities: A case study of Dien Bien and Cao Bang, Vietnam. International Journal of Geoheritage & Parks. Available at SSRN: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=5087370.
- (Hoang et al., 2018) Hoang, T. V., Le, D. N., & Pham, M. H. (2018). Infrastructure limitations and tourism constraints in ethnic minority areas of Northern Vietnam. Asian Tourism Studies, 10(1), 85–99.
- (Holling, 1973) Holling, C. S. (1973). Resilience and stability of ecological systems. Annual Review of Ecology and Systematics, 4(1), 1–23. [CrossRef]
- (Hong et al., 2021) Hong, L. P., Ngo, H. T., & Pham, L. T. (2021). Community-Based Tourism: Opportunities and Challenges: A Case Study in Thanh Ha Pottery village, Hoi An city, Vietnam. Cogent Social Sciences, 7, 1-12. [CrossRef]
- (Huong 2017) Huong, P. T., & Lee, J. H. (2017). Financial literacy and entrepreneurial capacity in Vietnam’s rural north. Journal of Development and Policy Review, 19(2), 145–162.
- (Huong et al., 2020) Huong, L. T. M., Dang, T. M., & Tran, Q. T. (2020). Tourism and social vulnerability in peri-urban Mekong communities. Asia-Pacific Journal of Tourism Research, 25(6), 645–659.
- (IFAD, 2012) International Fund for Agricultural Development. (2012). Country Programme Evaluation: Socialist Republic of Viet Nam. Retried from http://www.ifad.org/documents/38714182/39789120/Vietnam_CPE.pdf.
- (IFAD, 2022) International Fund for Agricultural Development (IFAD). (2022). Decentralized Programme for Rural Poverty Reduction (DPRPR) and Improving Market Participation of the Poor (IMPP). https://www.ifad.org.
- (IFAD, 2023a) IFAD Independent Office of Evaluation. (2023a). Corporate-level evaluation of knowledge management practices (2016–mid-2023). https://webapps.ifad.org/members/eb/142/docs/EB-2024-142-R-23.pdf.
- (IFAD, 2023b) IFAD. (2023b). Annual Report on the Independent Evaluation of IFAD: Pro-poor value chain and knowledge integration. https://webapps.ifad.org/members/eb/139/docs/EB-2023-139-R-13.pdf.
- (IFAD, 2023c) International Fund for Agricultural Development. (2023). IFAD in Vietnam: Investing in rural people. https://www.ifad.org/en/web/operations/w/country/viet_nam.
- (Intrepid Travel, n. d.) Intrepid Travel. (n.d.). How community-based tourism is transforming lives in Vietnam.http://www.intrepidtravel.com/adventures/community-based-tourism-vietnam.
- (JICA, 2024) JICA.(2024). JICA in Vietnam: Supporting inclusive and sustainable development. Japan International Cooperation Agency. https://www.jica.go.jp/vietnam/english/.
- (Khantee, & Jeerapattanatorn, 2023) Khantee, N., & Jeerapattanatorn, P. (2023). Current evidence on tourism problems and entrepreneurship development in Vietnam: A systematic review. International Research and Review, 13(1), https://files.eric.ed.gov/fulltext/EJ1432614.pdf.
- (Kunjuraman, 2022) Kunjuraman, V. (2022). Community-based tourism and climate change adaptation: A conceptual perspective. In R. Nair, K. K. Bhuiyan, & N. A. Mohamed (Eds.), Handbook of Research on Sustainable Tourism and Hotel Operations in Global Hypercompetition (pp. 105–120). IGI Global.
- (Lacitignola et al., 2007) Lacitignola, D., Petrosillo, I., Cataldi, M., & Zurlini, G. (2007). Modelling socio-ecological tourism-based systems for sustainability: A case study. Ecological Modelling, 206(1–2), 191–204. [CrossRef]
- (Le and Vo, 2020) Le, S. T., & Vo, C. D. (2020). Livelihood vulnerability and adaptation capacity of rice farmers under climate change and environmental pressure on the Vietnam Mekong Delta floodplains. Water, 12(11), 3282. [CrossRef]
- (Lee et al., 2020) Lee, J. H., Nguyen, M. T., & Do, Q. N. (2020). Social impacts of tourism in Vietnam’s rural delta regions. Tourism and Society, 9(3), 88–106.
- (Lefebvre, 1991) Lefebvre, H. (1991). The production of space (D. Nicholson-Smith, Trans.). Blackwell. (Original work published 1974).
- (Loi and Pearce, 2023) Loi, T. H., & Pearce, P. L. (2023). Let’s listen: The voices of ethnic villagers in identifying host-tourist interaction issues in the Central Highlands, Vietnam.
- (Luan, et al., 2023) Luan D. X., Hai, T. M., An, D. H., & Thuy, P. T. (2023). Transformation of Heritage into Assets for Income Enhancement: Access to Bank Credit for Vietnamese Community-Based Tourism Homestays. International Journal of Rural Management, 19(3), 339–360. [CrossRef]
- (Mahlow, & Jones, 2023) Mahlow, N., & Jones, B. H. (2023). Ethics of using AI in qualitative research: Opportunities, challenges, and frameworks. Qualitative Inquiry. Advance online publication. [CrossRef]
- (Mai et al., 2014) Mai, N. T., Bui, T. H., & Nguyen, T. M. (2014). Environmental challenges and tourism infrastructure in upland Vietnam. Sustainable Environment Journal, 12(3), 234–248.
- (McElwee, P., 2004). McElwee, P. (2004). Becoming socialist or becoming Kinh? Government policies for ethnic minorities in the Socialist Republic of Viet Nam. In C. R. Duncan (Ed.), Civilizing the margins: Southeast Asian government policies for the development of minorities (pp. 182–213). Cornell University Press.
- (MCST, 2016) Ministry of Culture, Sports & Tourism. (2016). Recognition of national intangible cultural heritage: Cái Răng Floating Market. Government of Vietnam.
- (MDI, 2022) Mekong Delta Development Institute (MDI). (2022). Rural Development Training Programs. Can Tho University. https://mdi.ctu.edu.vn.
- (Michaud, J., 2016). Michaud, J. (2016). Historical Dictionary of the Peoples of the Southeast Asian Massif. Rowman & Littlefield.
- (Mekong Plus, 2023) Mekong Plus. (2023, December 26). The state of NGOs in Vietnam in 2023: challenges and limitations. http://mekongplus.org/en/2023/12/26/the-state-of-ngos-in-vietnam-in-2023.
- (Mutter et al., 2023) Mutter, J., Camfield, L., & Wisner, B. (2023). Tourism, migration, and resilience: Navigating climate disruptions in Southeast Asia. Journal of Sustainable Tourism. Advance online publication. [CrossRef]
- (Ngo et al., 2018) Ngo, T., Hales, R., & Lohmann, G. (2018). Collaborative Marketing for the Sustainable Development of Community-Based Tourism Enterprises: A Reconciliation of Diverse Perspectives. Current Issues in Tourism, 22(18), 2266-2283. [CrossRef]
- (Nguyen, 2017) Nguyen, T. H. P. (2017). The development of Cái Răng floating market tourism in Can Tho city: From policy to practice. Journal of Vietnamese Studies, 12(3), 57-79. [CrossRef]
- (Nguyen et al., 2010) Nguyen, T., Le, D. B., Dang, V. H., Vu, H. L., & Hoang, X. T. (2010). Inequality, poverty, and ethnic minorities in Vietnam (CPRC Working Paper No. 10). Chronic Poverty Research Centre (CPRC). https://www.files.ethz.ch/isn/127305/CPR2_Background_Papers_Nguyen-Le_Dang-Vu_Hoang.pdf.
- (Nguyen et al., 2021) Nguyen, T. H., Le, T. V., & Vu, H. T. (2021). COVID-19 and the restructuring of tourism supply chains in Southern Vietnam. Journal of Sustainable Tourism Recovery, 12(4), 233–249.
- (Nguyen et al., 2023) Nguyen, T. H., Le, D. T., & Tran, H. M. (2023). Community-based tourism development and cultural heritage in Central Vietnam. Tourism and Hospitality Journal, 18(2), 144–162.
- (Nguyen and Do, 2024) Nguyen, H. D., & Do, A. T. (2024). Developing community-based tourism towards circular economy in Ha Giang Province, Vietnam. International Journal of Advances in Engineering and Management (IJAEM), 6(2), 205–211. https://ijaem.net/issue_dcp/Developing%20Community%20Based%20Tourism%20towards%20Circular%20Economy%20in%20Ha%20Giang%20Province,%20Vietnam.pdf.
- (Nguyen et al., 2010). Nguyen, T., Le, D. B., Dang, V. H., Vu, H. L., & Hoang, X. T. (2010). Inequality, Poverty, and Ethnic Minorities in Vietnam. CPRC Working Paper No. 10, Chronic Poverty Research Centre (CPRC). https://www.files.ethz.ch/isn/127305/CPR2_Background_Papers_Nguyen-Le_Dang-Vu_Hoang.pdf.
- (Nguyen, 2025) Nguyen Thi Thanh Kieu. (2025). Implementing ethnic tourism as a tool contributing to the destination community well-being in the Central Highlands, Vietnam. https://www.researchgate.net/publication/386016507_IMPLEMENTING_ETHNIC_TOURISM_AS_A_TOOL_CONTRIBUTING_TO_THE_DESTINATION_COMMUNITY_WELL-BEING_IN_THE_CENTRAL_HIGHLANDS_VIETNAM.
- (Ostrom, 2009) Ostrom, E. (2009). A general framework for analyzing sustainability of social-ecological systems. Science, 325(5939), 419–422. [CrossRef]
- (Poelma et al., 2021) Poelma, T., Bayrak, M. M., Nha, D., & Tran, T. A. (2021). Climate change and livelihood resilience capacities in the Mekong Delta: A case study on the transition to rice–shrimp farming in Vietnam’s Kien Giang Province. Climatic Change, 164(1), 1–20. [CrossRef]
- (Pham, 2020) Pham, V.Q. (2020) Tourism and socio-environmental transformation in the Mekong Delta. Vietnam Journal of Environmental Studies, 32(1), 102–118.
- (Phan et al., 2021) Phan, T. T., Nguyen, L. T., & Do, H. Q. (2021). Water insecurity and freshwater scarcity in Northern Vietnamese communities. Journal of Environmental Sustainability, 19(4), 211–229.
- (Phu and Thi Thu, 2022) Phu, T. V., & Thi Thu, H. N. (2022). Cultural misunderstandings in tourism: A case study in Central Vietnam. Asia Pacific Journal of Tourism Research, 27(4), 312–328.
- (Phuong et al., 2020) Phuong, N. T. M., Song, N. V., & Quang, T. X. (2020). Factors affecting community-based tourism development and environmental protection: Practical study in Vietnam. Journal of Environmental Protection, 11(2), 124–151. [CrossRef]
- (Quang et al., 2022) Quang, T. X., Phuong, N. T. M., & Linh, D. T. (2022). Environmental challenges and tourism readiness in coastal villages of Central Vietnam. Sustainable Tourism Perspectives, 9(3), 225–240.
- (Quang et al., 2023) Quang, T. X., Nguyen, H. D., & Le, M. T. (2023). Post-pandemic tourism recovery and sustainability in Southern Vietnam. Tourism Economics and Development Review, 11(2), 77–93.
- (Quyen and Tuan, 2022) Quyen, N. T., & Tuan, P. V. (2022). Gendered barriers in tourism entrepreneurship: A case study from the Mekong Delta, Vietnam. Journal of Tourism and Gender Studies, 5(1), 45–61.
- (Sachs, 1992) Sachs, W. (Ed.). (1992). The development dictionary: A guide to knowledge as power. Zed Books.
- (Scheyvens, 2007) Scheyvens, R. (2007). Exploring the tourism-poverty nexus. Current Issues in Tourism, 10(2–3), 231–254. [CrossRef]
- (Soja, 2010) Soja, E. W. (2010). Seeking spatial justice. University of Minnesota Press.
- (Suntikul and Kuan, 2016) Suntikul, W., Pratt, S., & Kuan, W. (2016). Cultural sustainability in heritage tourism: A case study of Hoi An, Vietnam. Tourism Recreation Research, 41(2), 160–173. [CrossRef]
- (Sushil, 2015) Sushil. (2015). Strategic flexibility: The evolving paradigm of strategic management. Global Journal of Flexible Systems Management, 16(2), 113–114. [CrossRef]
- (Streets International.,n.d.) Streets International. (n.d.). STREETS International – transforming lives. http://en.wikipedia.org/wiki/Streets_International.
- (The British Academy. n.d.). The British Academy. (n.d.). Outdoor tourism and the changing cultural narratives in Vietnamese ethnic minority communities. https://www.thebritishacademy.ac.uk/projects/outdoor-tourism-and-the-changing-cultural-narratives-in-vietnamese-ethnic-minority-communities/.
- (Trinh and Ryan, 2015) Trinh, T. T., & Ryan, C. (2015). Heritage and cultural tourism: Exploring the potential in Hue, Vietnam. Tourism Management Perspectives, 14, 50–56. [CrossRef]
- (Truong, 2017) Truong, V. D. (2017). Tourism, poverty alleviation, and the informal economy: The street vendors of Hanoi, Vietnam. Tourism Recreation Research, 43(1), 52–67. [CrossRef]
- (Truong, 2019) Truong, V. D. (2019). Tourism and sustainable livelihoods: Insights from community-based tourism in Vietnam. Tourism Planning & Development, 16(5), 473–490. [CrossRef]
- (Truong et al., 2022) Truong,V. D., Hall, C. M., & Garry, T. (2022). Tourism, poverty alleviation, and climate change in Vietnam: Policy and practice tensions. Tourism Management Perspectives, 41, 100942. [CrossRef]
- (Tran et al., 2024) Tran, T. A., Tran, D. D., Van Vo, O., Pham, V. H. T., Tran, H. V., Yong, M. L., Le, P. V., & Dang, P. T. (2024). Evolving pathways towards water security in the Vietnamese Mekong Delta: An adaptive management perspective. AMBIO: A Journal of the Human Environment, 1–15. [CrossRef]
- (UNDP, World Bank surveys, 2007) World Bank baseline surveys (2007–2008) on extremely disadvantaged communes: poverty headcounts exceeding 80% for Mông, Dao, Bana, etc. (UNDP).
- (UNDP., 2023). UNDP. (2023). Vietnam: Climate resilience and community-based tourism. United Nations Development Programme. https://www.vn.undp.org/.
- (VietnamPlus, 2025) VietnamPlus. (2025, April). WB, ADB provide loans, grants for three projects in Vietnam. VietnamPlus. https://en.vietnamplus.vn/wb-adb-provide-loans-grants-for-three-projects-in-vietnam-post317537.vnp?utm_source.
- (VietnamPlus, 2023) VietnamPlus. (2023). WB, ADB provide loans, grants for three projects in Vietnam. https://en.vietnamplus.vn.
- (World Bank, 2016) World Bank. (2016). Mekong Delta Integrated Climate Resilience and Sustainable Livelihoods Project: Project appraisal document. https://projects.worldbank.org/en/projects-operations/project-detail/P153544.
- (World Bank, 2020) World Bank. (2020). Mobilizing Financing for Climate-Smart Investments in the Mekong Delta: An Options Note. https://documents1.worldbank.org.
- (World Bank, 2022) World Bank. (2020). Community-Based Tourism and Infrastructure Development. https://www.worldbank.org.
- (World Bank, 2022) World Bank. (2022). Mekong Delta Transport Infrastructure Development Project: Beneficiary Impact Assessment (Implementation Completion Report). https://mdri.org.vn/projects/mekong-delta-transport-infrastructure-development-project-beneficiary-impact-assessment-2/?utm_source.
- (World Bank, 2022) World Bank. (2022). Vietnam Country Overview. World Bank Group. https://www.worldbank.org/en/country/vietnam/overview.
- (World Bank, 2022). World Bank. (2022) Vietnam Poverty and Equity Assessment. https://documents.worldbank.org/en/publication/documents-reports/documentdetail/vietnam-poverty-and-equity-assessment.
- (World Bank, 2023) World Bank. (2023). Vietnam: Country partnership framework. https://www.worldbank.org/en/country/vietnam.
- (World Bank, 2025) Vietnam – WBG finances (country summary as of June 2025). World Bank Country Data Portal. https://financesone.worldbank.org/countries/vietnam?utm_source.
- (Ziai,2007) Ziai, A. (2007). Exploring post-development: Theory and practice, problems and perspectives. Journal of Development Studies, 43(4), 537–554. [CrossRef]
- (Zielinski et al., 2020) Zielinski, S., Jeong, Y. J., & Milano Batista, C. (2020). Factors that influence community-based tourism (CBT) in developing and developed countries: A directed content analysis of case studies. Tourism Geographies, 23(5–6), 1040–1072. [CrossRef]


| Region | Percentage % | Amount (Million USD) |
| Mekong Delta (Southern) | 40 | 168.20 |
| Central Vietnam | 22.2 | 97.561 |
| Northern Highlands | 23.8 | 87.46 |
| Southern Peri-urban/Urban | 14.0 | 67.28 |
| Region (with locations) | Percentage % | Funding Amount (Million US) |
| Mekong Delta (Can Tho, Ben tre) | 56.5 | 560 |
| Central Vietnam (Hue, Da Nang) | 23.4 | 2322 |
| Northern Highlands (Ha Giang, Dien Bien) | 5.0 | 50 |
| National or Multi-regional | 15.1 | 150 |
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