Its jurisdiction includes all of Europe (excluding the British Isles), Morocco, Mongolia and the territory of the former Soviet Union.

[4] The Diocese of Gibraltar was created on 29 September 1842 and at that time covered all Anglican chaplaincies from Portugal to the Caspian Sea.

[5][6] In 1842 (shortly after the See was established), its jurisdiction was described as "Gibraltar, and the Congregations of the Church of England in the Islands and on the Coasts of the Mediterranean";[7] a map from the same year shows churches at Lisbon, Oporto, Gibraltar, Malaga, Marseille, Nice, Tunis, Lucca, Leghorn, Florence, Rome, Palermo, Trieste, Valetta (sic), Messina, Naples, Corfu, Zante, Athens, Syra, Smyrna, and Constantinople.

[8] From 1926, Church of England parishes in northern Europe became part of the Jurisdiction of North and Central Europe, under the episcopal jurisdiction of the Bishop of London, delegated to the Suffragan Bishop of Fulham.

The following are licensed as of April 2020[update] according to the official diocesan website:[17] Additionally, there were several more honorary assistant bishops listed Crockford's Clerical Directory as of March 2014[update]:[23] The diocese currently has 131 clergy occupying stipendiary or full-time posts.