His seat is continuation of the ancient diocese of Turku.

This ancient diocese fell into disuse in the 1400s.

The ancient diocese of Osona was conquered by the Arabs in the early eighth century.

The diocese continues the titles of three ancient Scottish dioceses.

Though the ancient diocese was suppressed by the Concordat of 1801, it was re-erected in 1823.

Most are kept at the record offices of the ancient dioceses, together with the bishop's transcripts.

Tyre was one of the most ancient dioceses in Christianity.

Soissons is also the see of an ancient Roman Catholic diocese, whose establishment dates from about 300.

Many an ancient diocese, though later divided among several dioceses, preserved the boundaries of a long-vanished Roman administrative division.

The ancient diocese was located at Scythopolis, known as Bethsan to the crusaders.