Palazzo Colonna is a historic palace in Rome, Italy. It was built in the 14th century and has been the residence of the Colonna family ever since. The palace is located on the summit of the Quirinal Hill, one of the seven hills of Rome, and has a prominent position in the city.

The palace is known for its impressive art collection, which includes paintings, sculptures, and antiques. The Galleria Colonna is a large gallery in the palace that displays many of these works. The gallery features an impressive collection of Renaissance and Baroque art, including works by Caravaggio, Tintoretto, and Guercino.

The palace also features several grand rooms, including the Sala Grande and the Sala degli Arazzi, which are adorned with beautiful frescoes and tapestries. The Sala degli Arazzi is particularly noteworthy for its collection of Flemish tapestries from the 16th century.

The palace has been expanded and renovated several times over the centuries, and has served as a residence for many members of the Colonna family. Today, parts of the palace are open to the public, including the Galleria Colonna and the grand rooms. The palace is also used for cultural events and concerts throughout the year.