The National Institute on Drug Abuse (NIDA) International Program fosters international cooperative research and the exchange of scientific information by drug abuse researchers around the globe. As part of its ongoing efforts to foster international research on drug abuse, the International Program holds the NIDA International Forum annually. The 2011 NIDA International Forum is scheduled for June 17–20, 2011, in conjunction with the 73rd Annual Scientific Meeting of the College on Problems of Drug Dependence (CPDD). The annual NIDA International Forum highlights the range and quality of drug abuse research conducted around the world. The topic for the 2011 NIDA International Forum is Building International Collaborative Research on Drug Abuse. The Forum will feature a research symposium, a poster session, and network-building activities highlighting NIDA-supported and other international research on drug abuse. This unique scientific meeting allows participants to network with talented colleagues, learn about drug abuse research and policy issues in other countries, and discuss NIDA-supported fellowships and other programs that can support international collaborations.