CIDOB, acronym for Barcelona Centre for International Affairs, is a Spanish think-tank based in Barcelona and dedicated to researching and sharing the contents different areas of international relations and development studies. It defines itself as "an independent, non-partisan centre that contributes to ongoing international debates from the perspective of a major Mediterranean metropolis". Legally speaking, CIDOB is a public foundation with a board of trustees that includes among its members the main political institutions and universities of Catalonia and Barcelona, in addition to a number of ministries of the Spanish government. CIDOB is currently the oldest think-tank in Spain, and one of the most influential in its field. It is also a parent institution of the prestigious Institut Barcelona d'Estudis Internacionals (IBEI).