The Initiative for the Integration of Regional Infrastructure in South America (IIRSA) is a forum of dialogue among the authorities responsible for transport, energy and telecommunications in the twelve South American countries. Following it is available basic information on the IIRSA Initiative: when it was created, how it is organized, what are the prospects of IIRSA's work, what are IIRSA's acitivities, which Integration and Development Hubs have been identified and which are the characteristics of the IIRSA Project Portfolio.