The document discusses Post Disaster Needs Assessments (PDNAs) that have been conducted in the Asia-Pacific region following disasters since 2005. It provides an overview of the 21 PDNAs conducted in the region, the evolution of the PDNA methodology, key actors involved in PDNAs, and strategic results of international cooperation on PDNAs. PDNAs are led by national governments and involve international partners to assess recovery needs, develop recovery strategies, and help mobilize resources following disasters.