In 1912, the diocese of Teruel comprised the civil province of the same name, excepting the town of Bechi (Castellón).

It was originally built of brick and rubblework, but since the restoration in the seventeenth century it has lost its primitive character.

The Doric choir stalls were the gift of Martín Terrer de Valenzuela, Bishop of Teruel, and later of Tarazona.

Turba was the city whose disputes with the Saguntines gave Hannibal an excuse for attacking Saguntum and beginning the Second Punic War.

King Jaime I received its support in the Conquest of Valencia (1238), and the standards of Teruel were the first to wave in the gateway of Serranos.

Pope Gregory XIII at the earnest solicitations of king Philip II created the diocese in 1577.

The seminary, dedicated to St. Toribio de Mogrovejo, was founded by the bishop Francisco José Rodríguez Chico, who after the expulsion of the Jesuits in 1769 was granted the use of their magnificent college by king Charles III.