Roman client kingdoms

The Nabataean Kingdom (Arabic: المملكة النبطية‎, al-Mamlakah an-Nabaṭiyyah), also named Nabatea (), was a political state of the Arab Nabataeans during classical antiquity.

Pontus (Ancient Greek: Πόντος Pontos) was a Hellenistic kingdom centered in the historical region of Pontus in modern-day Turkey, and ruled by the Mithridatic dynasty of Persian origin, which may have been directly related to Darius the Great of the Achaemenid dynasty. The kingdom was proclaimed by Mithridates I in 281 BC and lasted until its conquest by the Roman Republic in 63 BC. The Kingdom of Pontus reached its largest extent under Mithridates VI the Great, who conquered Colchis, Cappadocia, Bithynia, the Greek colonies of the Tauric Chersonesos, and for a brief time the Roman province of Asia. After a long struggle with Rome in the Mithridatic Wars, Pontus was defeated.

Caucasian Albania is a modern exonym for a former state located in ancient times in the Caucasus, mostly in what is now Azerbaijan (where both of its capitals were located). The modern endonyms for the area are Aghwank and Aluank, among the Udi people, who regard themselves as descended from the inhabitants of Caucasian Albania. However, its original endonym is unknown.

The Salīḥids (Arabic: بنو سليح, Banū Salīḥ), also known simply as Salīḥ or by their royal house, the Zokomids (Arabic: Ḍajaʿima) were the dominant Arab foederati of the Byzantine Empire in the 5th century. They succeeded the Tanukhids, who were dominant in the 4th century, and were in turn defeated and replaced by the Ghassanids in the early 6th century.

The Kingdom of Lazica (Georgian: ეგრისი, Egrisi; Laz: ლაზიკა, Laziǩa; Ancient Greek: Λαζική, Lazikḗ), sometimes called Lazian Empire, was a state in the territory of west Georgia in the Roman period, from about the 1st century BC. Created as a result of the collapse of the kingdom of Colchis and the gaining of independence by the tribal-territorial units included in it in 131 AD.

The Atrebates (Gaulish: *Atrebatis, 'dwellers, land-owners, possessors of the soil') were a Belgic tribe of the Iron Age and the Roman period, originally dwelling in the Artois region.

Lesser Armenia (Armenian: Փոքր Հայք, P’ok’r Hayk’; Latin: Armenia Minor; Ancient Greek: Mικρά Αρμενία, Mikrá Armenía), also known as Armenia Minor and Armenia Inferior, comprised the Armenian-populated regions primarily to the west and northwest of the ancient Kingdom of Armenia (also known as Kingdom of Greater Armenia), on the western side of the Euphrates River. It was also a kingdom, separate from Greater Armenia, from the 2nd century BC to the 1st century AD. The region was later reorganized into the Armeniac Theme under the Byzantine Empire.

The Herodian kingdom was a client state of the Roman Republic ruled from 37 to 4 BCE by Herod the Great, who was appointed "King of the Jews" by the Roman Senate. When Herod died, the kingdom was divided among his sons into the Herodian Tetrarchy.

The Kingdom of Kush or Kush () was an ancient kingdom in Nubia, located at the Sudanese and southern Egyptian Nile Valley.

Bithynia and Pontus (Latin: Provincia Bithynia et Pontus, Ancient Greek Ancient Greek: Επαρχία Βιθυνίας και Πόντου, Eparkhía Bithynías kai Póntou) was the name of a province of the Roman Empire on the Black Sea coast of Anatolia (modern-day Turkey). It was formed during the late Roman Republic by the amalgamation of the former kingdoms of Bithynia (made a province by Rome 74 BC) and Pontus (annexed to Bithynia 63 BC). The amalgamation was part of a wider conquest of Anatolia and its reduction to Roman provinces.