The Stavros Niarchos Foundation Cultural Center (Greek: Κέντρο Πολιτισμού Ίδρυμα Σταύρος Νιάρχος) is a complex in the bay of Faliro in Athens which includes new facilities for the National Library of Greece (NLG) and the Greek National Opera (GNO), as well as the 210,000 m² Stavros Niarchos Park. The Center was designed by architect Renzo Piano and its construction was funded by the Stavros Niarchos Foundation. The €566 million project was completed in 2016, and was donated to the Greek state in 2017.