CulturaItalia, on line since April 2008, is the Portal of Italian Culture, managed by the Central Institute for the Union Catalogue of Italian Libraries (ICCU) of Ministry of cultural heritage, activities and tourism (MiBACT), in which are involved cultural institutions from all sectors and levels (national, regional and local). CulturaItalia, as national aggregator, plays an important role for the development of European RIs on Cultural Heritage such as ARIADNE, and Europeana, making available cooperative networks and agreements and coordinating technical activities.