The Stavros Niarchos Foundation Cultural Center (Greek: Κέντρο Πολιτισμού Ίδρυμα Σταύρος Νιάρχος, Kéntro Politismoú Ídryma Stávros Niárchos) is a complex in the bay of Phaliron in Athens which includes new facilities for the National Library of Greece and the National Opera. The Center was designed by architect Renzo Piano and is being built by the Stavros Niarchos Foundation. The €566 million project was completed in 2016, and was donated to the Greek state in 2017.
Good to know: During his visit at Athens, Greece (November 15–16 2016), the US President Barack Obama gave a speech at the Stavros Niarchos Foundation Cultural Center, covering the impact of democracy.
Source: wikipedia.org