Diocese of Avellaneda-Lanús
The Diocese of Avellaneda-Lanús, a suffragan diocese of the Latin Rite, is an active diocese in Argentina. It was established in 1961 by Pope John XXIII and serves the southern suburbs of Buenos Aires, including the cities of Avellaneda and Lanús. As part of the Ecclesiastical Province of Buenos Aires, the diocese ministers to a large urban Catholic population through numerous parishes and educational institutions. A notable aspect is its recent renaming in 2019 to better reflect its territorial scope, underscoring its ongoing adaptation to local pastoral needs. Stored in Cargo: Diocese of Avellaneda-Lanús
| Diocese: Diocese of Avellaneda-Lanús | |
| Status: | Active |
| Rite: | Latin |
| Type: | Suffragan diocese |
| Ecclesiastical Province: | Province of Buenos Aires |
| Metropolitan Archdiocese: | Archdiocese of Buenos Aires |
| Country: | Argentina |
| Region: | Buenos Aires Province |
| Bishop: | Marcelo Julián Margni |
| Website: | https://www.diocesisavellanedalanus.org.ar/ |
| Existence: | 1961– |
| Rating: | 3.5 |
| Chancery Address: | Av. Mitre 650, Avellaneda, Buenos Aires, Argentina |
Establishment
The Diocese of Avellaneda-Lanús was established on 10 April 1961 by Pope John XXIII to serve the growing Catholic population in the southern suburbs of Buenos Aires, splitting from the Archdiocese of Buenos Aires.
History
Early Years
Founded in 1961, the diocese initially covered the territory now known as Avellaneda and surrounding areas under its first bishop.
Renaming
In 2019 the see was renamed Diocese of Avellaneda-Lanús by the Holy See to more accurately reflect its geographic extent.
Geography
The diocese covers the partidos of Avellaneda and Lanús in Buenos Aires Province. It is part of the Ecclesiastical Province of Buenos Aires.
Mother Church
Cathedral of the Assumption of Mary in Avellaneda serves as the diocese’s mother church.
Leadership
Current Bishop
Marcelo Julián Margni has served since 2020. He previously served as auxiliary bishop in the same diocese.
Auxiliary Bishops
None currently.
Past Bishops
| Name | Tenure | Notes |
|---|---|---|
| Miguel Raspanti | 1961–1983 | First Bishop of Avellaneda |
| Rubén Oscar Frassia | 1983–1993 | Transferred to Río Gallegos |
| Rubén Oscar Frassia | 1993–2000 | Returned as Bishop of Avellaneda |
| Rubén Oscar Frassia | 2000–2013 | Transferred to Avellaneda-Lanús after boundary adjustments |
| Marcelo Julián Margni | 2020–present | Current Bishop |
Theological and Cultural Orientation
The diocese maintains a balanced orientation (rating: 3.5), with standard liturgical practices and equal emphasis on traditional teachings and community outreach.
Statistics
The diocese serves a substantial Catholic population across its two main municipalities.
Religious Communities
Salesians of Don Bosco
The Salesians of Don Bosco operate schools and youth ministries in the diocese.
Parishes
The diocese comprises numerous parishes organized across its territory.
Mission and Services
Catholic Education
The diocese oversees several Catholic schools providing primary and secondary education.
Community Outreach
Catholic Charities programs support families and the needy throughout the diocese.
Notable Events or Figures
- The diocese has been home to several prominent Argentine clergy who advanced social teaching in urban settings.
Fun facts
Below are some fun facts about the Diocese of Avellaneda-Lanús:
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Associated saints
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Religious orders
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Diocesan photos
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