The Roman Catholic Metropolitan Archdiocese of Bangalore is an ecclesiastical territory or diocese of the Catholic Church in India. It was erected as pro-vicariate from, as Vicariate from, as Diocese of Mysore – Bangalore in the Ecclesiastical Metropolitan Province of Pondicherry in Southern India from, as Diocese of Bangalore on 13 February 1940 by Pope Pius XII, and elevated to the rank of a Metropolitan Archdiocese on 19 September 1953, with the Suffragan Dioceses of Belgaum, Bellary, Chikmagalur, Gulbarga, Karwar, Mangalore, Udupi, Mysore, and Shimoga.