When did the Indo-Sasanian Empire exist?

The Indo-Sasanian Empire existed c. 230–360. On this map it is drawn AD 260–357.

How large was the Indo-Sasanian Empire?

At its greatest extent drawn on this map, the Indo-Sasanian Empire covered about 753,000 km². That is the largest area the border data gives it across the years it is drawn, not necessarily its greatest extent in history.

South Asia · Ancient and classical

Indo-Sasanian Empire

Sasanian sub-kingdom · c. 230–360

The Kushano-Sasanian Kingdom (Kushanshahr) was established by the Sasanian Empire after Ardashir I captured the Kushan provinces of Sogdia, Bactria, and Gandhara around 230 CE, following wars from 225 CE. Local Sasanian governors took the title Kushanshah (Bactrian: KΟÞANΟ ÞAΟ, Koshano Shao, "King of the Kushans") and formed what is sometimes described as a sub-kingdom within the Sasanian Empire.

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Type: Sasanian sub-kingdom (feudal monarchy) / ~753,000 km² / Bactria, Sogdiana, Gandhara (Afghanistan, Pakistan, Turkmenistan)
Existed: c. 230–360
Shown on the map: AD 260–357
Peak area: 753k km²
Region: South Asia

Origins and founding

Capitals and territory

The capital was Balkh; coins were minted at Kabul, Balkh, Herat, and Merv, attesting the realm's extent. Their eastern frontier apparently did not cross the Indus, as almost none of their coinage has been found at Taxila.

Major rulers and key events

The known Kushanshahs were Ardashir I Kushanshah (230–245), Peroz I (245–275), Hormizd I (275–300), Hormizd II (300–303), Peroz II (303–330), and Varahran (Bahram) Kushanshah (330–365). Hormizd I Kushanshah led a rebellion against the Sasanian emperor Bahram II (276–293), issuing coins with the defiant title Kushan-shahanshah ("King of kings of the Kushans"), but failed. Around 325 Shapur II took direct charge of the southern territory while Kushanshahs retained the north. Sasanian control beyond the Indus expanded after Shapur II's wars "with the Chionites and Kushans" (350–358) described by Ammianus Marcellinus.

Government, economy and culture

A feudal monarchy within the Sasanian system, it blended Kushan and Sasanian traditions. Its coinage (in Brahmi, Pahlavi, or Bactrian legends) shows rulers with elaborate headdresses on obverses and fire temples or Shiva with Nandi on reverses. The realm was religiously plural — Zoroastrian, Buddhist, Hindu, and Jain; the prophet Mani followed the Sasanian expansion east, absorbing Buddhist influences (e.g., transmigration of souls, sangha-like community structure), and the cult of Mithra flourished as protector of the Kushanshahs. Kushano-Sasanian silverware and hunting plates circulated as far as Northern Wei China.

Decline and end

Between 360 and 370 the Kidarites under Kidara overthrew the Kushano-Sasanians and the last Kushan remnants; surviving domains were incorporated into the Sasanian Empire proper. The Kidarites were later displaced by the Hephthalites.

Legacy and significance

The kingdom transmitted Sasanian artistic and administrative forms into the northwest of South Asia, a style that persisted for centuries in Kidarite, Hephthalite, and later coinage of the region.

Common questions

What was the Indo-Sasanian Empire?: The Kushano-Sasanian Kingdom (Kushanshahr) was established by the Sasanian Empire after Ardashir I captured the Kushan provinces of Sogdia, Bactria, and Gandhara around 230 CE, following wars from 225 CE. Local Sasanian governors took the title Kushanshah (Bactrian: KΟÞANΟ ÞAΟ, Koshano Shao, "King of the Kushans") and formed what is sometimes described as a sub-kingdom within the Sasanian Empire.
When did the Indo-Sasanian Empire exist?: The Indo-Sasanian Empire existed c. 230–360. On this map it is drawn AD 260–357.
How large was the Indo-Sasanian Empire?: At its greatest extent drawn on this map, the Indo-Sasanian Empire covered about 753,000 km². That is the largest area the border data gives it across the years it is drawn, not necessarily its greatest extent in history.
Where was the Indo-Sasanian Empire?: The capital was Balkh; coins were minted at Kabul, Balkh, Herat, and Merv, attesting the realm's extent. Their eastern frontier apparently did not cross the Indus, as almost none of their coinage has been found at Taxila.
Who ruled the Indo-Sasanian Empire?: The known Kushanshahs were Ardashir I Kushanshah (230–245), Peroz I (245–275), Hormizd I (275–300), Hormizd II (300–303), Peroz II (303–330), and Varahran (Bahram) Kushanshah (330–365). Hormizd I Kushanshah led a rebellion against the Sasanian emperor Bahram II (276–293), issuing coins with the defiant title Kushan-shahanshah ("King of kings of the Kushans"), but failed.
How did the Indo-Sasanian Empire end?: Between 360 and 370 the Kidarites under Kidara overthrew the Kushano-Sasanians and the last Kushan remnants; surviving domains were incorporated into the Sasanian Empire proper. The Kidarites were later displaced by the Hephthalites.
How was the Indo-Sasanian Empire governed?: A feudal monarchy within the Sasanian system, it blended Kushan and Sasanian traditions. Its coinage (in Brahmi, Pahlavi, or Bactrian legends) shows rulers with elaborate headdresses on obverses and fire temples or Shiva with Nandi on reverses.
Why does the Indo-Sasanian Empire still matter?: The kingdom transmitted Sasanian artistic and administrative forms into the northwest of South Asia, a style that persisted for centuries in Kidarite, Hephthalite, and later coinage of the region.

Sources

Every source below was consulted while writing this entry.

Wikipedia: Kushano-Sasanian Kingdom en.wikipedia.org/wiki/Kushano-Sasanian_Kingdom
Wikipedia: Kushan Empire en.wikipedia.org/wiki/Kushan_Empire

This entry was written from the sources above and last updated 10 September 2026.

This entry was researched and drafted with AI from the sources above, and has not been reviewed by a historian. How entries are made

Text available under CC BY-SA 4.0: reuse it with a credit to The World Through Time and a link to this page. Passages drawing on the Wikipedia articles listed above are also licensed CC BY-SA 4.0 by their contributors.

Border geometry for the map itself comes from Cliopatria v0.12 (Seshat Global History Databank, CC-BY-4.0).

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