Petinessus is a Catholic titular see

Titular see

A titular see in various churches is an episcopal see of a former diocese that no longer functions, sometimes called a "dead diocese". The ordinary or hierarch of such a see may be styled a "titular bishop", "titular metropolitan", or "titular archbishop"....

. The original diocese was in Galatia Secunda (Salutaris).

This city is mentioned by Strabo

Strabo

Strabo, also written Strabon was a Greek historian, geographer and philosopher.-Life:Strabo was born to an affluent family from Amaseia in Pontus , a city which he said was situated the approximate equivalent of 75 km from the Black Sea...

; Ptolemy

Ptolemy

Claudius Ptolemy , was a Roman citizen of Egypt who wrote in Greek. He was a mathematician, astronomer, geographer, astrologer, and poet of a single epigram in the Greek Anthology. He lived in Egypt under Roman rule, and is believed to have been born in the town of Ptolemais Hermiou in the...

; Hierocles

Hierocles (author of Synecdemus)

Hierocles or Hierokles was a Byzantine geographer of the sixth century and the attributed author of the Synecdemus or Synekdemos, which contains a table of administrative divisions of the Byzantine Empire and lists of the cities of each...

; and Stephanus Byzantius, s. v. According to the first of these authors it was situated in the salt desert, to the west of Lake Tatta (at the present time Touz Gueul), between Lycaonia

Lycaonia

In ancient geography, Lycaonia was a large region in the interior of Asia Minor, north of Mount Taurus. It was bounded on the east by Cappadocia, on the north by Galatia, on the west by Phrygia and Pisidia, while to the south it extended to the chain of Mount Taurus, where it bordered on the...

 and Haimama.

The exact name and position of the city, which differs greatly according to various documents, is not known. William Mitchell Ramsay

William Mitchell Ramsay

Sir William Mitchell Ramsay was a Scottish archaeologist and New Testament scholar. By his death in 1939 he had become the foremost authority of his day on the history of Asia Minor and a leading scholar in the study of the New Testament...

 mentions the place as near the site of Piri Begli or a little to the east of it.

Bishops

The Notitiæ episcopatuum mention it among the suffragan sees of Pessinus

Pessinus

Pessinus was a city in Anatolia, the Asian part of Turkey on the upper course of the river Sakarya River , from which the mythological King Midas is said to have ruled a greater Phrygian realm...

, created by Emperor Theodosius I

Theodosius I

Theodosius I , also known as Theodosius the Great, was Roman Emperor from 379 to 395. Theodosius was the last emperor to rule over both the eastern and the western halves of the Roman Empire. During his reign, the Goths secured control of Illyricum after the Gothic War, establishing their homeland...

 between 386 and 395, and existing as late as the thirteenth century. There is a record of but one bishop, Pius, present at the Council of Chalcedon

Council of Chalcedon

The Council of Chalcedon was a church council held from 8 October to 1 November, 451 AD, at Chalcedon , on the Asian side of the Bosporus. The council marked a significant turning point in the Christological debates that led to the separation of the church of the Eastern Roman Empire in the 5th...

, 451.