Saint-Sulpice Church is a prominent Roman Catholic church located in the Saint-Germain-des-Prés area of Paris, France. Construction began in 1646 and continued for over a century, resulting in a blend of architectural styles, primarily Baroque and Neoclassical. The church is known for its impressive façade, grand interior, and notable features such as the large organ and the Gnomon, a solar device used for astronomical observations. The church is also famous for its artwork, including murals by Eugène Delacroix and a stunning altar. Saint-Sulpice serves as a significant place of worship and a popular tourist attraction, drawing visitors with its historical and artistic significance.