Chronology of Catholic Dioceses:Argentina
See a list of abbreviations used in this list. See also our listing of current ecclesial jurisdictions.
- 0100~
- Italica - Spain
- 0200-0300
- Sevilla (separated from Italica?) - Spain
- 0300-0400
- Sevilla (Metr.) - Spain
- 1536
- Cuzco (established from Spain/Sevilla?) - Peru
- 1547
- Rio de la Plata / Asunción en Paraguay (detached from Cuzco) - (Rio de la Plata) Paraguay
- Regarding Córdoba / Córdoba del Tucumán
- 1552
- La Plata / Charcas (detached from Cuzco) - (Rio de la Plata) Bolivia /Peru
- 1561
- Santiago de Chile (detached from La Plata / Charcas) - Chile
- 1570
- Córdoba / Córdoba del Tucumán / a.k.a. "Tucumán" (detached from Santiago de Chile) - (Rio de la Plata) Argentina
- 1620
- Buenos Aires (detached from Asunción en Paraguay) - (Rio de la Plata) Argentina
- 1806
- Salta (detached from Córdoba del Tucumán) - (Rio de la Plata) Argentina
- 1826
- San Juan de Cuyo (AV, detached from Córdoba) - Argentina
- 1834
- San Juan de Cuyo - Argentina
- 1859
- Paraná (detached from Buenos Aires) - Argentina
- 1866
- Buenos Aires (Metr.) - Argentina
- 1883
- Northern Patagonia (AV, detached from Buenos Aires) - Argentina, Chile
- 1883
- Southern Patagonia / Patagonia Meridional, Tierra del Fuego y Islas Malvinas (AP, detached from San Carlos de Ancud) - Chile, Argentina
In 1916 the Argentinian part of this jurisdiction was detached and transferred to Buenos Aires. - 1897
- La Plata (detached from Buenos Aires) - Argentina
- 1897
- Santa Fe (detached from Paraná) - Argentina
- 1897
- Tucumán (detached from Salta) - Argentina
- 1904
- Northern Patagonia (suppressed, reattached to Buenos Aires) - Argentina
- 1907
- Santiago del Estero (detached from Tucumán) - Argentina
- 1910
- Catamarca (detached from Tucuman) - Argentina
- 1910
- Corrientes (detached from Paraná) - Argentina
- 1934
- Córdoba (Metr., was part of the Metropolitan Province of Buenos Aires) - Argentina
- 1934
- La Plata (Metr., was part of the Metropolitan Province of Buenos Aires) - Argentina
- 1934
- Paraná (Metr., was part of the Metropolitan Province of Buenos Aires) - Argentina
- 1934
- Salta (Metr., was part of the Metropolitan Province of Buenos Aires) - Argentina
- 1934
- San Juan de Cuyo (Metr., was part of the Metropolitan Province of Buenos Aires) - Argentina
- 1934
- Santa Fe (Metr., was part of the Metropolitan Province of Buenos Aires) - Argentina
- 1934
- Azul (detached from La Plata) - Argentina
- 1934
- Bahía Blanca (detached from La Plata) - Argentina
- 1934
- Jujuy (detached from Salta) - Argentina
- 1934
- La Rioja (detached from Córdoba) - Argentina
- 1934
- Mendoza (detached from San Juan de Cuyo) - Argentina
- 1934
- Mercedes (detached from La Plata) - Argentina
- 1934
- Río Cuarto (detached from Córdoba) - Argentina
- 1934
- Rosario (detached from Santa Fe) - Argentina
- 1934
- San Luis (detached from San Juan de Cuyo) - Argentina
- 1934
- Viedma (detached from Buenos Aires) - Argentina
- 1939
- Resistencia (detached from Santa Fe) - Argentina
- 1947
- San Nicolás de los Arroyos (detached from La Plata, and from Mercedes) - Argentina
- 1957
- Bahía Blanca (Metr.) - Argentina
- 1957
- Tucumán (Metr.) - Argentina
- 1957
- Argentina (Mil.Ord.) - Argentina
- 1957
- Comodoro Rivadavia (detached from Viedma) - Argentina
- 1957
- Formosa (detached from Resistencia) - Argentina
- 1957
- Gualeguaychú (detached from Paraná) - Argentina
- 1957
- Lomas de Zamora (detached from La Plata) - Argentina
- 1957
- Mar del Plata (detached from La Plata, and from Bahía Blanca) - Argentina
- 1957
- Morón (detached from La Plata) - Argentina
- 1957
- Nueve de Julio (detached from Mercedes, and from Azul) - Argentina
- 1957
- Posadas (detached from Corrientes) - Argentina
- 1957
- Reconquista (detached from Santa Fe) - Argentina
- 1957
- San Isidro (detached from La Plata, and from San Nicolás de los Arroyos) - Argentina
- 1957
- Santa Rosa (detached from Mercedes, and from Bahía Blanca) - Argentina
- 1957
- Villa María (detached from Cordoba) - Argentina
- 1959
- Argentina [for Orientals without an Ordinary of their own Rite] (ExAp) - Argentina
- 1961
- Corrientes (Metr.) - Argentina
- 1961
- Mendoza (Metr.) - Argentina
- 1961
- Añatuya (detached from Santiago del Estero) - Argentina
- 1961
- Avellaneda (detached from La Plata, and from Lomas de Zamora) - Argentina
- 1961
- Concordia (detached from Paraná) - Argentina
- 1961
- Goya (detached from Corrientes) - Argentina
- 1961
- Neuquén (detached from Viedma) - Argentina
- 1961
- Orán (detached from Salta) - Argentina
- 1961
- Rafaela (detached from Santa Fe, and from Reconquista) - Argentina
- 1961
- Río Gallegos (detached from Comodoro Rivadavia) - Argentina
- 1961
- San Francisco (detached from Cordoba) - Argentina
- 1961
- San Martín (detached from Morón, and from San Isidro) - Argentina
- 1961
- San Rafael (detached from Mendoza) - Argentina
- 1962
- Venado Tuerto (detached from Rosario) - Argentina
- 1963
- Presidencia Roque Sáenz Peña (detached from Resistencia) - Argentina
- 1963
- Rosario (Metr.) - Argentina
- 1963
- Concepción (detached from Tucumán) - Argentina
- 1963
- Cruz del Eje (detached from Córdoba) - Argentina
- 1968
- Santa Maria del Patrocinio en Buenos Aires [Ukr.] (ExAp) - Argentina
- 1969
- Cafayate (Prel., detached from Salta, and from Catamarca) - Argentina
- 1969
- Humahuaca (Prel., detached from Jujuy) - Argentina
- 1969
- San Justo (detached from de Lomas de Zamora, and from Morón) - Argentina
- 1976
- Quilmes (detached from Avellaneda, and from La Plata) - Argentina
- 1976
- Zárate-Campana (detached from San Isidro, and from San Nicolás de los Arroyos) - Argentina
- 1978
- Santa Maria del Patrocinio en Buenos Aires [Ukr.] - Argentina
- 1978
- San Miguel (detached from San Martín) - Argentina
- 1979
- Santo Tomé (detached from Corrientes, and from Goya) - Argentina
- 1980
- Chascomús (detached from La Plata, and from Mar del Plata) - Argentina
- 1980
- Deán Funes (Prel., detached from Cruz del Eje) - Argentina
- 1981
- Latin America and Mexico [Arm.] (Ord.) - Argentina
- 1984
- Resistencia (Metr., was part of the Metropolitan Province of Corrientes) - Argentina
- 1986
- Puerto Iguazú (detached from Posadas) - Argentina
- 1989
- Mercedes-Luján (new name, previously Mercedes) - Argentina
- 1989
- San Gregorio de Narek en Buenos Aires [Arm.] (detached from Ord. Latin America and Mexico) - Argentina
- 1990
- San Charbel en Buenos Aires [Mar.] - Argentina
- 1992
- San Roque de Presidencia Roque Sáenz Peña - (new name, previously Presidencia Roque Sáenz Peña) - Argentina
- 1992
- Santa Fe de la Vera Cruz (new name, previously Santa Fe) - Argentina
- 1993
- Alto Valle de Río Negro (detached from Viedma) - Argentina
- 1993
- San Carlos de Bariloche (detached from Viedma) - Argentina
- 1995
- Villa de la Concepción del Río Cuarto (new name, previously Río Cuarto) - Argentina
- 1997
- Mercedes-Luján (AD) - Argentina
- 1997
- Merlo-Moreno (detached from Morón) - Argentina
- 2000
- Gregorio de Laferrere (detached from San Justo) - Argentina
- 2001
- Avellaneda-Lanús (new name, previously Avellaneda) - Argentina
- 2009
- Esquel (Prel., detached from Comodoro Rivadavia) - Argentina
- 2009
- Oberá (detached from Posadas, and from Puerto-Iguazú) - Argentina
- 2019
- Mercedes-Luján (Metr.) - Argentina
- 2023
-
Rawson (detached from Comodoro Rivadavia) - Argentina