The Archdiocese of Mechelen-Brussels is an archdiocese of the Roman Catholic Church in Belgium. It is the Primatial See of Belgium and the centre of the Ecclesiastical Province governed by the Archbishop of Mechelen-Brussels, which covers the whole of Belgium. It was formed in 1559 and the bishop has a seat in two cathedrals, St. Rumbold's Cathedral in Mechelen and the Cathedral of St. Michael and St. Gudula in Brussels. The current Archbishop is Jozef De Kesel, who was installed in November 2015.