Pergamon

Bishops 3

1. 19 February 1922 – 9 October 1924

   Alexander Delanas 1878–1958

   Metropolitan

2. 9 October 1943 – 25 November 1958

   Adamantios Kasapides 1909–1958

   Metropolitan

3. 22 June 1986 – 2 February 2023

   John Zizioulas 1931–2023

   Metropolitan

In the order of their start dates; bishops whose dates are unknown come last. Gaps are periods the data does not yet cover.