St. Pölten Cathedral, officially known as the Cathedral of St. Pölten, is the main church of the Roman Catholic Diocese of St. Pölten in Austria. It was built in the 18th century and features a Baroque architectural style, characterized by its ornate decorations and grand design. The cathedral serves as a significant religious and cultural landmark in the region. The cathedral is dedicated to Saint Hippolytus, a Christian martyr, and is known for its impressive interior, which includes beautiful frescoes and altars. It is a popular destination for both worshippers and tourists, reflecting the rich history and artistic heritage of St. Pölten.