Caserma Giacomo Acqua, Rome — Visitor Guide & Things to Do Nearby

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About Caserma Giacomo Acqua

The Caserma Giacomo Acqua is a Carabinieri barracks near Piazza del Popolo, named after one of the most symbolic figures of Italian unification. Giacomo Acqua was the first officer of the Royal Carabinieri to enter Rome through the breach at Porta Pia on September 20, 1870, the moment that completed the unification of Italy and ended the temporal power of the papacy. The building itself is a working military facility, so access is restricted, but its location near Piazza del Popolo makes it a prominent feature of the surrounding streetscape. The barracks serve as a reminder that Rome's grand piazzas and churches sit alongside buildings that tell the story of modern Italy, not just ancient Rome. The Breach of Porta Pia, the event that Acqua's name commemorates, was one of the most consequential moments in Italian history. When Italian troops broke through the Aurelian Walls, Pope Pius IX retreated to the Vatican, beginning a 59-year standoff between the papacy and the Italian state that only ended with the Lateran Pacts in 1929. If you're on a Questo quest through Rome, the Caserma Giacomo Acqua is a stop where the story of Italy's birth is written on a building most visitors walk right past.

Plan Your Visit

Address
Piazza del Popolo, 11, 00187 Roma RM, Italy

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Frequently asked questions

What is the Caserma Giacomo Acqua?
It's a Carabinieri barracks near Piazza del Popolo in Rome, named after the first officer to enter Rome through the Breach of Porta Pia on September 20, 1870, the event that completed Italian unification. The building is a working military facility, viewable from the outside.
What happened at Porta Pia in 1870?
On September 20, 1870, Italian troops breached the Aurelian Walls at Porta Pia, capturing Rome and completing the unification of Italy. This ended the temporal power of the papacy. Officer Giacomo Acqua was the first through the breach. The event is commemorated by the barracks named after him near Piazza del Popolo.

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