The Saint Bavo Cathedral (also known as Sint-Baafs Cathedral, or in Dutch Sint Baafskathedraal) is the seat of the diocese of Ghent. It is named for Saint Bavo of Ghent. The building is based upon the Chapel of St. John the Baptist, a primarily wooden construction; it was consecrated in 942 by Transmarus, Bishop of Tournai and Noyon. Traces of this original structure are evident in the cathedral's crypt.