An exhibition titled 'UNBOXING CALLAS: An Archival Exploration of the Pyromallis Collection & the Greek National Opera (GNO) Archive' was inaugurated on Sunday, in the presence of President of the Hellenic Republic Katerina Sakellaropoulou, it was reported on Monday.

The first Maria Callas Museum in the world will open its doors to the public on Thursday in central Athens, on the centennial year of her birth, the Technopolis City of Athens organization responsible for cultural events in the capital announced on Wednesday.

Internationally renowned film actress Monica Bellucci is in Athens to perform the monologue "Maria Callas: Lettres & Memoires" by Tom Volf, which she will perform in French on the stage of the ancient Herod Atticus Odeon theatre beneath the Acropolis for three nights, on September 21-23.