Sant Sant'ambrogio e Carlo al Corso Basilica in Rome, fronting the Central street of via del Corso. The apse of the Church facing the mausoleum of Augustus on via di Ripetta. The Church dedicated to saints Ambrose and Carlo Borromeo, natives of Milan, and is one of the three in Rome, the title of which appears the name Borromeo (the other two are San Carlo AI Catinari and San Carlo alle Quattro Fontane).

The construction of the temple began after the canonization of Carlo Borromeo in 1610. For the erection of the Church was chosen as the place where once stood the Church of San Nicola de Tofo. In plan the Church is a Latin cross and a dome resembling the dome of Santi Luca e Martina, designed by Pietro da Cortona, who is also the author of the apse and rich interior decorations. The facade was designed by cardinal Luigi Alessandro Omodei, who didn't like the sketch Carlo Rainaldi.

The Central body of the Church is painted with a mural of the fall of the rebellious angels brush Giacinto brandi. And the altarpiece depicting the saints Ambrose, Carlo Borromeo, the virgin Mary and Jesus – the work of Carlo maratta (approximately, 1685-1690). Attention stucco decorations Giacomo and Cosimo Fancelli and the statue of the saints for the work of Francesco Cavallini.

In the covered inner gallery, which is located behind the Church, you can find a niche with the Shrine, which holds the heart of a Saint Carlo Borromeo. Cancer was transferred to the temple in 1614 by cardinal Federico Borromeo, cousin of the Saint. In the Church you can also visit the chapel with a variety of frescoes, paintings, monuments, etc., the St. Olaf Chapel dedicated to the Norwegian king-Martyr, who was converted to Christianity and was killed in 1030 in the battle of stiklastadire. It was inaugurated in 1893 in honor of the 50-year anniversary of holding in Norway the first mass since the reformation. The painting in the chapel depicts the victory of the king over their own Viking pagan past which is presented in the form of a dragon. In 1980, the St. Olaf chapel was restored and reopened to the public in the presence of the Bishop of Oslo.