Saint Bavo's Cathedral, also known as Sint-Baafs Cathedral (Dutch: Sint Baafskathedraal), is a Roman Catholic cathedral in Ghent, Belgium. The 89-metre-tall (292 ft) Gothic building is the seat of the Diocese of Ghent and is named for Saint Bavo of Ghent. It contains the well-known Ghent Altarpiece, also called the Adoration of the Mystic Lamb.