The Italian Catholic Diocese of Montepulciano-Chiusi-Pienza, 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.[1]
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.
Its first bishop was Spinello Benci (1562); among the others were:
This article incorporates text from a publication now in the public domain: Herbermann, Charles, ed (1913). Catholic Encyclopedia. Robert Appleton Company.