The United Nations University Institute on Comparative Regional Integration Studies (UNU-CRIS) is a Research and Training Institute of the United Nations University (UNU). Based in Bruges, Belgium since 2001, UNU-CRIS specializes in the comparative study of regional integration and the provision of global and regional public goods, including environmental stability, poverty reduction, peace, and justice.

The United Nations University (UNU) is the think tank and academic arm of the United Nations. Headquartered in Shibuya, Tokyo, Japan, with diplomatic status as a UN institution, its mission is to help resolve global issues related to human development and welfare through collaborative research and education.