Located in Bangkok, Thailand, APO was established in 1995 to bring the organization’s operations and management closer to clients and partners in the region.

APO provides implementation support and project management services to operations throughout the region, supplying financial oversight of projects, procuring goods and services, and managing human resources.
APO helps ensure that projects are executed to the highest standards, ensuring that best practices and lessons learned are shared within the region and beyond.
APO benefits from Bangkok’s status as a regional communications and transportation hub, as well as the close proximity of key partners both within and outside the United Nations system.
The office is located at the United Nations regional headquarters, together with the regional offices of numerous other international organizations including the International Labour Organization (ILO), the Joint United Nations Programme on HIV/AIDS (UNAIDS), the United Nations Development Programme (UNDP), the United Nations Environment Programme (UNEP), the United Nations Economic and Social Commission for Asia and the Pacific (UNESCAP) and the United Nations Office on Drugs and Crime (UNODC).
APO supports UNOPS operations and project centres in:
In addition, APO provides direct support to projects in Bangladesh, Cambodia, China, Malaysia, Mongolia, Nepal, Pakistan and Timor-Leste.