It was designed by the Argentine architect, César Pelli[2] to complement the skyscrapers immediately next door, currently owned by the Immobiliare Porta Nuova Garibaldi fund and leased to several multinationals, the main one being the bank UniCredit.

[3] It was inaugurated on December 8, 2012, resulting in its naming after the well-known Italian designer and architect Gae Aulenti, who had passed away just under two months earlier.

In addition to this, from the level of the square it is possible to have an imposing overview of the UniCredit Tower, the headquarters of the bank of the same name, which at 231 meters is the tallest skyscraper in Italy.

[5] A symbol of contemporary Milan, Piazza Gae Aulenti is the setting for several commercials and photo shoots, as well as musical and social events, thanks in part to the presence of the IBM Studios,[6] a multipurpose space made of wood and concrete on the border between the square and the Park Library.

Very often, the square is set up with stands and decorations during festivities, such as during the Christmas holidays, and special events, such as the Fashion Week.