Firenze Fiera is the joint-stock company running the three main exhibition and congress venues in Florence:

• Fortezza da Basso, a Medicean fortress designed by Antonio da Sangallo the Younger in the first half of the 1500s on commission from Alessandro de' Medici;
• Palazzo dei Congressi (conference centre), hosted in a 19th century villa built by the Strozzi family, today it's perfectly restored and houses antique furniture;
• Palazzo degli Affari (business centre), a modern building, multipurpose and versatile, that was designed by the architect Pierluigi Spadolini and inaugurated in 1974.