sentences:  At the same time the episcopal see was moved to Bolzano, where the Assumption of Mary parish church was elevated to a co-cathedral, while the chapter remained in Brixen.The diocesan ordinary (bishop) is Ivo Muser, appointed on 27 July 2011 by Pope Benedict XVI.The history of the diocese begins when the diocese was established in Säben (Sabiona) in the 6th century, and it was subject to the patriarchate of Aquileia.