Honorias was a late Roman

Roman Empire

The Roman Empire was the post-Republican period of the ancient Roman civilization, characterised by an autocratic form of government and large territorial holdings in Europe and around the Mediterranean....

 province

Roman province

In Ancient Rome, a province was the basic, and, until the Tetrarchy , largest territorial and administrative unit of the empire's territorial possessions outside of Italy...

 encompassing parts of Bithynia

Bithynia

Bithynia was an ancient region, kingdom and Roman province in the northwest of Asia Minor, adjoining the Propontis, the Thracian Bosporus and the Euxine .-Description:...

 and Paphlagonia

Paphlagonia

Paphlagonia was an ancient area on the Black Sea coast of north central Anatolia, situated between Bithynia to the west and Pontus to the east, and separated from Phrygia by a prolongation to the east of the Bithynian Olympus...

 in Asia Minor

Asia Minor

Asia Minor is a geographical location at the westernmost protrusion of Asia, also called Anatolia, and corresponds to the western two thirds of the Asian part of Turkey...

 (modern Turkey

Turkey

Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

). Its capital was Claudiopolis (modern Bolu

Bolu

- Places of interest :The countryside around Bolu offers excellent walking and other outdoor pursuits. There are hotels in the town for visitors. Sights near the town include:* The 14th century mosque, Ulu Camii...

), and its governor was of the rank of praeses

Praeses

Praeses , is a Latin word meaning "Seated in front of, i.e. at the head ", has both ancient and modern uses.-Roman imperial use:...

.

The province was established under 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...

 and named after his younger son Honorius

Honorius (emperor)

Honorius , was Western Roman Emperor from 395 to 423. He was the younger son of emperor Theodosius I and his first wife Aelia Flaccilla, and brother of the eastern emperor Arcadius....

. It formed part of the Diocese of Pontus

Diocese of Pontus

The Diocese of Pontus was a diocese of the later Roman Empire, incorporating the provinces of northern and northeastern Asia Minor up to the border with the Sassanid Empire in Armenia. The diocese was established after the reforms of Diocletian, and its vicarius, headquartered at Amaseia, was...

, bordering with Bithynia in the west, Galatia Prima in the south and Paphlagonia in the east. In the administrative reforms of Emperor Justinian I

Justinian I

Justinian I ; , ; 483– 13 or 14 November 565), commonly known as Justinian the Great, was Byzantine Emperor from 527 to 565. During his reign, Justinian sought to revive the Empire's greatness and reconquer the lost western half of the classical Roman Empire.One of the most important figures of...

, the province was united with that of Paphlagonia and formed a new province of Paphlagonia under a governor termed praetor

Praetor

Praetor was a title granted by the government of Ancient Rome to men acting in one of two official capacities: the commander of an army, usually in the field, or the named commander before mustering the army; and an elected magistratus assigned varied duties...

 Iustinianus. Aside from the capital Claudiopolis, the major cities and episcopal seats of the province listed in the Synecdemus

Synecdemus

The Synecdemus or Synekdemos is a geographic text, attributed to Hierocles, which contains a table of administrative divisions of the Byzantine Empire and lists of the cities of each. The work is dated to the reign of Justinian but prior to 535, as it divides the 912 listed cities in the Empire...

were Heraclea Pontica

Heraclea Pontica

Heraclea Pontica , an ancient city on the coast of Bithynia in Asia Minor, at the mouth of the river Lycus. It was founded by the Greek city-state of Megara c.560-558 and was named after Heracles who the Greeks believed entered the underworld at a cave on the adjoining Archerusian promontory .The...

, Prusias, Tium, Cratea and Hadrianopolis.