This report focuses on the major impacts of climate change and highlights the growing need of adaptation measures in the Southeast Asia region. It identifies the appropriate adaptation strategies by analyzing the technical gaps in various sectors of agriculture, water, mountains and coastal ecosystems. The main objective of this report is to provide the most updated development in climate change adaptation at the Southeast Asian regions. It suggests addressing the capacity building needs through dynamic strategic planning and policy implementations. Thus, the study reported into several chapters, list of figures and tables which is useful for a detailed study for the users.