The Church of Saint Thomas is a historical church located in Strasbourg, France. Known as Église Saint-Thomas, it holds significance as the main Lutheran place of worship in the city. Characterized by its impressive gothic architecture, it stands as a prime example of Alsatian ecclesiastical heritage. The church has been often referred to as the 'Protestant Cathedral' or 'Old Lady' of Strasbourg. It boasts a history that spans over five centuries and has played a pivotal role in the religious and cultural fabric of the region. The church's structure includes a unique set of five naves that equal the height of the central nave, giving it a distinctive silhouette against the Strasbourg skyline. Inside, it houses an array of artistic treasures such as the famous Silbermann organ, which was played by renowned composer Wolfgang Amadeus Mozart in 1778. Additionally, the mausoleum of Field Marshal Maurice de Saxe, an elaborate 18th-century masterpiece by sculptor Jean-Baptiste Pigalle, is a significant draw for visitors. The church's ongoing commitment to ecumenism and cultural events cements its status as a living monument of religious significance.