Trebula or Trebula Suffenas or Trebula Suffenes, was an ancient city of the Sabines, one of two bearing the name Trebula (the other being Trebula Mutusca

Trebula Mutusca

Trebula was an ancient city of the Sabines in what is now central Italy, one of two bearing the name Trebula – Pliny being the only author who mentions both places: Trebulani qui cognominantur Mutuscaei, et qui Suffenates...

) – Pliny

Pliny the Elder

Gaius Plinius Secundus , better known as Pliny the Elder, was a Roman author, naturalist, and natural philosopher, as well as naval and army commander of the early Roman Empire, and personal friend of the emperor Vespasian...

 being the only author who mentions both places: Trebulani qui cognominantur Mutuscaei, et qui Suffenates, Plin. vi. 12. s. 17.

Location

Its site is uncertain. Abbé Capmartin De Chaupy would place it at Rocca Sinibalda

Rocca Sinibalda

Rocca Sinibalda is a comune in the Province of Rieti in the Italian region Latium, located about 50 km northeast of Rome and about 15 km southeast of Rieti....

, in the valley of the Turano (in the Tiber

Tiber

The Tiber is the third-longest river in Italy, rising in the Apennine Mountains in Emilia-Romagna and flowing through Umbria and Lazio to the Tyrrhenian Sea. It drains a basin estimated at...

 river system), but this is mere conjecture. Giuseppe Antonio Guattani on the other hand fixes it on a hill near Stroncone

Stroncone, Italy

Stroncone is a comune in the Province of Terni in the Italian region Umbria, located about 70 km southeast of Perugia and about 8 km south of Terni.-External links:*...

, between Rieti

Rieti

Rieti is a city and comune in Lazio, central Italy, with a population of c. 47,700. It is the capital of province of Rieti.The town centre rests on a small hilltop, commanding a wide plain at the southern edge of an ancient lake. The area is now the fertile basin of the Velino River...

 and Terni

Terni

Terni is a city in southern Umbria, central Italy, capital of the province of Terni, located in the plain of the Nera river. It is 104 km N of Rome, 36 km NW of Rieti, and 29 km S of Spoleto.-History:...

, where there are said to be distinct traces of an ancient town. (Chaupy, Maison d'Horace, vol. iii. pp. 93-96; Guattani Mon. della Sabina, vol. i. p. 190.) The editors of Hazlitt's Classical Gazetteer place it north of Reate (modern Rieti) at Monte Leone della Leonessa

Leonessa

Leonessa is a town and comune in the far northeastern part of the Province of Rieti in the Lazio region of central Italy. Its population in 2008 was around 2,700.Situated in a small plain at the foot of Mt...

.; the editors of the Barrington Atlas of the Greek and Roman World

Barrington Atlas of the Greek and Roman World

The Barrington Atlas of the Greek and Roman World is a large-format English language atlas of ancient Europe, Asia, and North Africa, edited by Richard Talbert. The time period depicted is roughly from archaic Greek civilization through Late Antiquity . The atlas was published by Princeton...

 place it near Passo della Fortuna, a frazione of Ciciliano

Ciciliano

Ciciliano is a comune in the Province of Rome in the Italian region Latium, located about 35 km east of Rome. As of 31 December 2004, it had a population of 1,257 and an area of 19.0 km²....

. It is probable that the Tribula of Dionysius

Dionysius Periegetes

Dionysius Periegetes was the author of a description of the habitable world in Greek hexameter verse written in a terse and elegant style...

, mentioned by him among the towns assigned by Varro

Varro

Varro was a Roman cognomen carried by:*Marcus Terentius Varro, sometimes known as Varro Reatinus, the scholar*Publius Terentius Varro or Varro Atacinus, the poet*Gaius Terentius Varro, the consul defeated at the battle of Cannae...

to the Aborigines (Dionys. i. 14) may be the same with the Trebula Suffenas of Pliny. In this case we know that it could not be far from Reate.