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Published by Catholic Social Ventures · compiled from public diocesan records · exported …
The Diocese of Massa Marittima-Piombino is a Latin Church diocese in Tuscany, Italy, with origins dating to the 5th century. The name Populonia was replaced with Piombino in 1978. It is a suffragan of the Archdiocese of Siena-Colle di Val d'Elsa-Montalcino.
Contact as printed in the Annuario Pontificio.
Official diocesan website →Wikipedia →Map →Linked data →
Sources: wikidata-p488 · Annuario code 001002180 · ontology v0.3.2 · updated 2026-06-08