The Catholic Church In Qatar Is Part Of The Universal Church, Whose Spiritual Head Is The Pope . On May 31, 2011, According To A decree Of The Holy See, Qatar Was Detached From the Apostolic Vicariate of Arabia And Included In The Newly-Formed Ecclesiastical Territory Of The Apostolic Vicariate of Northern Arabia. The Apostolic Vicariate of Northern Arabia Is Under The Spiritual Care And Guidance Of His Lordship H E Bishop Aldo Berardi, O.SS.T. Apostolic Vicar Of Northern Arabia.