The
Islamic Republic of Iran
Iran, officially the Islamic Republic of Iran (IRI) and also known as Persia, is a country in West Asia. It borders Iraq to the west, Turkey, Azerbaijan, and Armenia to the northwest, the Caspian Sea to the north, Turkmenistan to the nort ...
has been divided into regions in a number of different ways historically. It has been divided into five administrative regions since 2014.
Current administrative regions
Iran's
thirty-one provinces were grouped into five regions on 22 June 2014, based on a decision by the
Ministry of Interior
An interior ministry or ministry of the interior (also called ministry of home affairs or ministry of internal affairs) is a government department that is responsible for domestic policy, public security and law enforcement.
In some states, th ...
.
In this change, the adjacency, geographical location and similarities of the provinces were considered.
The
Constitution of Iran
The Constitution of the Islamic Republic of Iran (, ''Qanun-e Asasi-ye Jomhuri-ye Eslâmi-ye Iran'') is the supreme law of Iran. It was adopted by referendum on 2 and 3 December 1979, and went into force replacing the Constitution of 1906. It ...
does not provide for regions and they are not the constituent units of the country but exist purely for the convenience of governmental administration.
According to Javad Naserian, the Ministry of Interior's Management Development and Human Resources Vice-Minister, the purpose of this grouping of provinces was the creation of synergy, transfer of experience, information exchange, and regional development. Also, it now provides an intermediate level where provinces can discuss their problems among themselves, instead of going immediately to
Tehran
Tehran (; , ''Tehrân'') is the capital and largest city of Iran. It is the capital of Tehran province, and the administrative center for Tehran County and its Central District (Tehran County), Central District. With a population of around 9. ...
.
The intention was for each region to have regularly scheduled meetings of the constituent provinces' governors-general, rotating the meeting place through the provincial capitals. The host province would provide the chairman of each meeting. A regional secretariat would be established in the capital city of the main province of each region, with a coordinating bureau in the Ministry of Interior headquarters in Tehran.
Historical regions

In 1937 the territory of Iran was divided into ten administrative regions: , , , etc.
() For example, or "Seventh Province" corresponded to present-day
Fars province
Fars Province or Pars Province, also known as Persis or Farsistan (فارسستان), is one of the 31 provinces of Iran. Its capital is the city of Shiraz.
Pars province has an area of 122,400 km2 and is located in Iran's southwest, i ...
per the "Territorial Subdivision Act of 1316
Š./1937 (Qānūn-e taqsīmāt-e kešvar)."
Histories, travel books and economic analyses often refer to less formal, more historical or geographical, Iranian regions. The borders of these are not fixed and often have changed over time, and even overlapped at the same time.
*
Alamut – in the
Alborz mountain range of northern Iran;
*
Central Iran: Known as ''Iraq-i Ajam (''
Persian Iraq
Persian Iraq, also uncommonly spelled Persian Irak ( ''Erāq-e Ajam'' or ''Erāq-e Ajami''; ''ʿIrāq al-ʿAjam'' or ''al-ʿIrāq al-ʿAjamī'', literally, "Iraq of the Ajam"), is a historical region of the western parts of Iran.
The region, ...
)
*
Baluchistan
Balochistan ( ; , ), also spelled as Baluchistan or Baluchestan, is a historical region in West and South Asia, located in the Iranian plateau's far southeast and bordering the Indian Plate and the Arabian Sea coastline. This arid region of de ...
(Southeastern Iran) – sometimes just
Sistan and Baluchestan province and sometimes all of Baluchistan;
*
Caspian Iran (Northern Iran,
Tabaristan
Tabaristan or Tabarestan (; ; from , ), was a mountainous region located on the Caspian coast of northern Iran. It corresponded to the present-day province of Mazandaran, which became the predominant name of the area from the 11th-century onward ...
or "Mardi and Hyrcania"
) –
Gilan province
Gilan Province () is one of the 31 provinces of Iran, in the northwest of the country and southwest of the Caspian Sea. Its capital is the city of Rasht. The province lies along the Caspian Sea, in Iran's Regions of Iran, Region 3, west of ...
,
Mazandaran province
Mazandaran Province (; ) is one of the 31 provinces of Iran. Its capital is the city of Sari. Located along the southern coast of the Caspian Sea and in the adjacent Central Alborz mountain range and Hyrcanian forests, it is bordered clockw ...
, and
Golestan province, and historically sometimes northern
Semnan
*
Eastern Iran
Eastern Iran includes the provinces North Khorasan, Razavi Khorasan, South Khorasan and Sistan and Baluchestan some of which share a border with Afghanistan and Pakistan. Some references also count Kerman Province to this region.
Dominated by des ...
*
Iranian Azerbaijan
Azerbaijan or Azarbaijan (, , ), also known as Iranian Azerbaijan, is a historical region in northwestern Iran that borders Iraq and Turkey to the west and Armenia, Azerbaijan, and the Azerbaijani exclave of the Nakhchivan Autonomous Republ ...
– approximately the current provinces of Region 3, but often excluding
Kurdistan province and often excluding the Caspian province of
Gilan
Gilan Province () is one of the 31 provinces of Iran, in the northwest of the country and southwest of the Caspian Sea. Its capital is the city of Rasht. The province lies along the Caspian Sea, in Iran's Region 3, west of the province of ...
;
*
Iranian Kurdistan
Iranian Kurdistan or Eastern Kurdistan () is an unofficial name for the parts of northwestern Iran with either a majority or sizable population of Kurds. Geographically, it includes the West Azerbaijan province, Kurdistan province, Kermanshah pr ...
– including
Kurdistan province,
Kermanshah province
Kermanshah province () is one of the 31 provinces of Iran, bordering Iraq. Its capital is the city of Kermanshah.
According to a 2014 segmentation by the Ministry of Interior (Iran), Ministry of Interior, it is the center of Regions of Iran ...
and parts of
Ilam province
Ilam Province () is one of the 31 provinces of Iran. Its capital is the city of Ilam.
The province is in the western part of the country in Region 4 and covers . It shares of the border with Iraq, and also bordering on the provinces of Ke ...
and parts of
West Azerbaijan province
West Azerbaijan province () is one of the 31 provinces of Iran, whose capital and largest city is Urmia.
It is in the northwest of the country, bordered by Turkey ( Ağrı, Hakkâri, Iğdır and Van Provinces), Iraq ( Erbil and Sula ...
;
*
Khorasan – consisting of
North Khorasan province,
Razavi Khorasan province,
South Khorasan province, and sometimes eastern
Semnan province
**
Quhistan
Quhistan () or Kohistan (, "mountainous land") was a region of medieval Persia, essentially the southern part of Khurasan. Its boundaries appear to have been south of Khorasan to north, Yazd to West, Sistan to South, Afghanistan to East. Quhistan ...
– southern Khorasan;
*
Southern Iran (also known as the Persian Gulf region of Iran) –
Fars,
Kohgiluyeh and Buyer Ahmad,
Hormozgan and
Bushehr
Bushehr (; ) is a port city in the Central District (Bushehr County), Central District of Bushehr County, Bushehr province, Bushehr province, Iran, serving as capital of the province, the county, and the district.
Etymology
The roots of the n ...
provinces;
* Southeastern Iran (
Carmania)
– mostly
Kerman province
Kerman province () is the largest of the 31 provinces of Iran. Its capital is the city of Kerman.
The province is in the southeast of Iran. In 2014 it was placed in Region 5. Mentioned in ancient times as the Achaemenid satrapy of Carma ...
, but often extending to the coast;
*
Western Iran
Western Iran consists of Armenian Highlands, northern Zagros and the rich agricultural area of the Khuzestan Plain in the south.
It includes the provinces of Kordestan, Kermanshah Province, Kermanshah, Ilam Province, Ilam, Lorestan, and Hamadan ...
(
Khuzestan
Khuzestan province () is one of the 31 Provinces of Iran. Located in the southwest of the country, the province borders Iraq and the Persian Gulf, covering an area of . Its capital is the city of Ahvaz. Since 2014, it has been part of Iran's ...
,
Elam
Elam () was an ancient civilization centered in the far west and southwest of Iran, stretching from the lowlands of what is now Khuzestan and Ilam Province as well as a small part of modern-day southern Iraq. The modern name ''Elam'' stems fr ...
) – the 'birthplace of Iran', similar to Region 4 (
Hamadan province
Hamadan Province () is one of the provinces of Iran, 31 provinces of Iran. Its capital is the city of Hamadan. In the Zagros Mountains, the province covers an area of 19,546 km2.
History
Hamadan province is one of the most ancien ...
,
Ilam province
Ilam Province () is one of the 31 provinces of Iran. Its capital is the city of Ilam.
The province is in the western part of the country in Region 4 and covers . It shares of the border with Iraq, and also bordering on the provinces of Ke ...
,
Kermanshah province
Kermanshah province () is one of the 31 provinces of Iran, bordering Iraq. Its capital is the city of Kermanshah.
According to a 2014 segmentation by the Ministry of Interior (Iran), Ministry of Interior, it is the center of Regions of Iran ...
,
Khuzestan province
Khuzestan province () is one of the 31 Provinces of Iran. Located in the southwest of the country, the province borders Iraq and the Persian Gulf, covering an area of . Its capital is the city of Ahvaz. Since 2014, it has been part of Iran's R ...
,
Lorestan province
Lorestan province () is one of the 31 provinces of Iran. Its capital is the city of Khorramabad.
Lorestan is in the western part of the country in the Zagros Mountains and covers an area of 28,392 km2. In 2014 it was placed in Region ...
,
Markazi province
Markazi province () is one of the 31 provinces of Iran. Its capital is the city of Arak. The present borders of the province date to 1977, when the province was split into the current Markazi and Tehran provinces, with portions being annexed b ...
), but often including all of or some of
Qazvin province,
Kurdistan province,
Chaharmahal and Bakhtiari province
Chaharmahal and Bakhtiari Province () is one of the 31 provinces of Iran. Its capital is the city of Shahr-e Kord. The province lies in the southwest of the country, with an area of 16,332 square kilometers.
The province was classified as p ...
and
Kohgiluyeh and Boyer-Ahmad province;
See also
*
Notes
References
Further reading
*
{{Asia topic, List of regions of
Subdivisions of Iran
Iran, Regions
Iran 1
Iran geography-related lists