The Italian Catholic Diocese of Montepulciano-Chiusi-Pienza (Latin: Dioecesis Montis Politiani-Clusina-Pientina), in Tuscany, has existed in the current form since 1986. In that year the diocese of Chiusi-Pienza was united into the historical Diocese of Montepulciano. The diocese is a suffragan of the Archdiocese of Siena-Colle di Val d'Elsa-Montalcino. Montepulciano belonged originally to the diocese of Arezzo, and had a collegiate church, whose archpriest became a mitred abbot in 1400; in 1480 it became a prælatura nullius, and in 1561 was made an episcopal see. More information...
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