It represents the entrance of the Cassaro (the main and most ancient street of the city) from Corso Calatafimi (the way to Monreale) and is located beside Palazzo dei Normanni, royal palace of Palermo.

The gate was built to celebrate Charles V's conquest of Tunis (1535) and his visit to the capital of the Kingdom of Sicily.

[2] In order to commemorate this event, the Senate of Palermo decreed to rebuild the gate in a more sumptuous style.

[2] The Senate of Palermo commissioned the architect Gaspare Guercio to rebuild the gate.

The facade leading to the Corso Calatifimi and Piazza Indipendenza presents four big telamones depicting the Moors defeated by Charles V. Media related to Porta Nuova (Palermo) at Wikimedia Commons