Chiesa Nuova, officially known as Santa Maria in Vallicella, is a prominent church located in Rome, Italy. Built in the 16th century, it is a fine example of Mannerist architecture and was designed by the architect Giacomo Barozzi da Vignola. The church is dedicated to the Virgin Mary and is known for its beautiful interior, which features stunning frescoes and ornate decorations. The church is also significant for its connection to the Oratory of Saint Philip Neri, the founder of the Oratorians. Chiesa Nuova serves as a center for religious activities and hosts various events throughout the year, attracting both locals and tourists alike.