On 18 December 1944 Pope Pius XII established the Diocese of Tacna from the territory of the Archdiocese of Arequipa. John Paul II renamed it the Diocese of Tacna and Moquegua on 11 July 1992.[1][2]
Bishops
Ordinaries
Carlos Alberto Arce Masías † (6 Jul 1945 – 17 Dec 1956) Appointed, Bishop of Huánuco
Alfonso Zaplana Bellizza † (17 Dec 1957 – 28 Apr 1973)
Oscar Rolando Cantuarias Pastor † (5 Oct 1973 – 9 Sep 1981) Appointed, Archbishop of Piura
Oscar Julio Alzamora Revoredo, S. M. † (16 Dec 1982 – 13 Feb 1991)