St Edmundsbury Cathedral is the cathedral for the Church of England's Diocese of St Edmundsbury and Ipswich. It is the seat of the Bishop of St Edmundsbury and Ipswich and is in Bury St Edmunds. Originating in the 11th century, it was rebuilt in the 12th and 16th century as a parish church and became a cathedral in 1914; it has been considerably enlarged in recent decades.