St. Gummarus Church is a historic Roman Catholic church located in the town of Lier, Belgium. It is dedicated to Saint Gummarus, a local saint known for his piety and charitable works. The church features a blend of Gothic and Baroque architectural styles, with its construction beginning in the 14th century and continuing into the 16th century. The interior of St. Gummarus Church is adorned with beautiful stained glass windows and intricate woodwork. It houses several notable artworks, including paintings and sculptures that reflect the rich religious heritage of the region. The church remains an important place of worship and a popular tourist attraction in Flanders.