In Colombia and especially in Bogota, it is short for University Integration Program. It is a Program that advances the University of Sabana, to help choose the student the right career according to their interests and skills. In Italian it means more.
PIU is the identification of Captain FAP Guillermo Concha Ibérico airport, in the district of Castilla (province of Piura, Peru). It can also be an acronym or abbreviation in Spanish for several phrases, such as p . e.g. "User Information Point" .
PIU plus, in Italian