State · 63 BCE – 370 CE

Adiabene

A state of 63 BCE – 370 CE — 433 years in the Middle East and North Africa. Its line of rulers holds 5 people.

Wikidata records no founding for it; the borders dataset maps it from 63 BCE to 370, and those are the years drawn here.

For the full story, the article on Wikipedia (CC BY-SA 4.0); this page holds what the record says of the state.

Stood: 433 years; 63 BCE – 370
Rulers: 5; the King of Adiabene
Most ground: 13,800 km²; in 63 BCE

Map: Adiabene in 63 BCE, its borders in gold among its neighbours — Adiabene in 63 BCE, when it held the most ground the borders dataset draws for it: 13,800 km². Its neighbours wear their tints, as on the atlas's own map. Borders from Cliopatria (CC BY 4.0), coast and rivers from Natural Earth, cities from Reba, Reitsma & Seto 2016 (CC BY 4.0), each city under the name it bore that year.

Where it sits in time

Five thousand years, 3000 BCE to 2026; the state in gold.

Rulers

Read from the state’s own English article and its rulers’ articles, where Wikidata names no ruler.

deposed, abdicated, exiled or removedending not on record

Ruler	Reign	Length	How it ended · source	To the ruler before
Monobaz I	20 – 20	under a year	ending not on record
Izates bar Monobaz	36 – 55	19 years	ending not on record	child
Monobaz II	55 – 55	under a year	deposed, the article saysread from the ruler's own article	sibling
Meharaspes	116 – 116	under a year	ending not on record
Ardashir II	344 – 376	32 years	ending not on record

5 rulers, 5 with terms dated as terms, covering 20 – 376. Median reign 0 years. 1 of 4 handovers irregular - a killing, a deposition, a rival claimant, a rising or a coup beside it. A blank in the last column means no kin on record, which is coverage, never “unrelated”.

Ground held, by year

km² inside its borders as the borders dataset draws them, measured on an equal-area grid; a step series, held between the years the dataset maps.

13,800 km² in 63 BCE, 13,400 km² in 370; at its largest 13,800 km² in 63 BCE. Cliopatria, CC BY 4.0.

Among all states

Each measure against the states that carry it, never against all of them: a bar is the share of those states below this one.

How long it stood433 years
stood longer than 83% of 3,187 states with a recorded end or still standing.
The most ground it held13,800 km²
held more ground at its peak than 17% of 1,465 states with a border in Cliopatria.
Wars recorded per centurynone
had more wars on record per century than 44% of 3,187 states, counting the wars the atlas hosts under each.
How long a reign lasted, at the median0 years
had longer reigns, at the median, than 1% of 967 states whose dated line can carry a median.
Rulers on record5
has more rulers on record than 64% of 1,968 states with a line of rulers.

Open in the atlas

On the timeline, 106 BCE – 413, with everything that stood beside it.
On the map in 63 BCE, live: scrub the year and watch its borders move.
Investigate it: what led to it, what came of it, and its succession analysed.

Wikidata Q149747 (CC0) · borders Cliopatria, CC BY 4.0 · coast and rivers Natural Earth · data built 2026-10-06 · Pastlas v2.9.1, by Oleh Voronko. The published atlas and its data are for non-commercial use.