The Church of Jesus - the mother church of the Roman Catholic Jesuit order, the official name of which - Santissima Nome di Gesu al Argentin. Located in Piazza del Gesu. The facade of the church is considered the first truly baroque façade, which introduced the Baroque style in architecture. And the church itself served as a model for numerous Jesuit churches all over the world, especially in the Americas. Conceived as early as 1551 Ignatius of Loyola, founder of the Jesuits, the church was also home to the Superior General of the Society of Jesus (Jesuits) until the dissolution of the Order in 1773.

The Church of Jesus was built on the site of the church of Santa Maria della Strada, which Loyola once prayed before the icon of the Virgin Mary .  This icon is now adorned with precious stones, kept in the chapel of the right of the altar of Ignatius .  Construction of the church began in 1568 by the architect Vignola .  In addition to his work on the construction of the temple several architects, including - Giacomo della Porta, the authorship of which belong to the groin vault, dome and apse .  Inside the church there is the porch, where you can stay, - visitor enters directly into the main room, the central nave with side chapels, and its attention to attracting the high altar .  Instead of aisles - a series of interconnected chapels, the entrance to which is highlighted with decorative railings .  Floor mosaic of colored marble punctuated with gold, frescoed barrel vault is decorated ceiling and stucco and marble sculptures stand out for their volumes . 

The facade of the Church of Jesus is divided into two parts. The bottom consists of six pairs of columns with Corinthian capitals and the upper divided into four pairs of columns. The main entrance is located under the curved tympanum and side doors - a triangle.

It is believed that the first altar of the church was made by Giacomo della Porta, but in the 19th century it was rebuilt by Antonio Sarti. Sarti also covered the marble wall of the apse. At the altar, you can see the sculptures of angels work of Rinaldo Rinaldi. Altarpiece - the work of Alessandro Kapalti. One of the most prominent elements of the interior of the church are the ceiling frescoes of Giovanni Battista Gaulli, who also painted the dome.

Deserves special attention the chapel of the Church - Chapel di Sant'Andrea with frescoes by Agostino Champelli, Capella della Pasion with a bronze urn that holds the remains of St. Giuseppe Pignatelli, Capella degli Angeli with ceiling fresco by Federico Dzukkari, spacious chapel of St. Francis Xavier, designed by Pietro da Cortona, Chapel of Sacro Cuore, and others. The presbytery kept a bust of Cardinal Robert Bellarmine Bernini. The most grandiose chapel of the church is the Chapel of St. Ignatius of Loyola - it was built by architect Andrea Pozzo in 1699-1700 years. Tomb is holy here.