This desktop study was conducted as a joint effort between the Southeast Asia Network of Climate Change Focal Points (SEA-CC Net) and the Regional Climate Change Adaptation Knowledge Platform for Asia (Adaptation Knowledge Platform) to meet the key ASEAN member countries’ needs to review and analyze existing studies on national and regional vulnerabilities as one of the first priority for informed decision making. The overarching objectives of this study are to share up-to-date information on methods, approaches, technologies and status of adaptive capacity of eight selected countries, namely, Lao PDR, Viet Nam, the Philippines, Indonesia, Thailand, Cambodia, Myanmar and Malaysia