Interreg III B MEDOCC (MEDITERRANEE OCCIDENTALE) is part of Strand B of the Interreg Community Initiative Programme referring to Transnational Cooperation for which, the Member States contribute for approximately 14% of the total allocation.

The primary objective of the Programme is to increase the territorial competitiveness of Southern Europe in order to create an economic integration zone of world-wide importance, as well as supporting the contribution of the Barcelona Process to greater integration between the European regions of the MEDOCC and Third Countries of the Mediterranean zone. Based on Community Policy priorities and the recommendations of the "European Spacial Development Perspective" (ESDP), the main fields of cooperation taken into consideration are the following: