St. Mary's Basilica is a shrine located in Shivajinagar (Blackpally) locality of Karnataka, India. It is among the oldest churches at Bangalore and the first church in the state that has been elevated to the status of a minor basilica. It is famous for festivities held during the St. Mary's Feast in the month of September each year, attracting devotees from the entire metropolitan area of Bangalore.

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.