Santa Maria in Vallicella is a prominent church located in Rome, Italy. It was built in the 16th century and is known for its beautiful Baroque architecture. The church serves as the mother church of the Oratorians, a religious order founded by Saint Philip Neri. The interior of Santa Maria in Vallicella features stunning frescoes and ornate decorations. Notable artworks include pieces by famous artists such as Caravaggio and Guido Reni. The church is a significant site for both worship and art enthusiasts, attracting visitors from around the world.