The diocese is administered from Brecon, with an additional office in Swansea.
The office was created in 1923 at the founding of the diocese,[2] an area stretching south to the coast of Gower and north into much of mid-Wales.
Immediately prior to the diocese's erection, the first bishop, Edward Bevan, had served as Bishop of Swansea, a suffragan in the Diocese of St Davids.
[3] It was announced on 4 November 2021 that John Lomas, Archdeacon of Wrexham had been appointed as the 10th Bishop of Swansea and Brecon.
[4] His election was confirmed at a Sacred Synod in Wrexham on 22 November 2021.