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Karaj

Karaj is a big city in Iran. It sits at the foot of tall, rocky mountains.

Karaj is a big city in Iran, 36 kilometers west of Tehran, on the southern slopes of the Alborz Mountains. It is the main city of Alborz Province. The 2016 census counted 1,592,492 people in Karaj, and Store norske leksikon calls it the fourth largest city in the country.

Karaj lies 36 km west of Tehran on the southern slopes of the Alborz Mountains (Store norske leksikon) and is the capital of Alborz Province (City Population). The census of 24 September 2016 counted 1,592,492 inhabitants (City Population, from the Statistical Centre of Iran); the encyclopedia calls it Iran's fourth largest city, with a population of nearly 2 million.

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Photo: Civilaut, CC BY-SA 4.0, via Wikimedia Commons

Discover Karaj

Karaj is a big city in Iran, close to the city of Tehran.

Tall mountains rise to the north of it.

Karaj lies 36 kilometers west of Tehran, on the southern slopes of the Alborz Mountains, says Store norske leksikon, Norway's big encyclopedia. It calls Karaj the fourth largest city in Iran.

Iran's 2016 census counted 1,592,492 people in Karaj. It is the main city of Alborz Province.

Store norske leksikon ('Karaj', Babak Ghassim): a city in Iran 36 km west of Tehran, on the southern slopes of the Alborz (Elburs) Mountains; the fourth largest city in the country, with a population of nearly 2 million; often called 'Little Iran' because of its varied population, including Persian speakers, Azerbaijanis, Kurds, Gilaks and Lurs; the country's youngest population. City Population (Statistical Centre of Iran): Karaj 442,387 (1991), 940,968 (1996), 1,386,030 (2006), 1,614,626 (2011), 1,592,492 (census 24 September 2016), fourth in Iran; Alborz Province, capital Karaj, 2,712,400 (2016).

Where
36 km west of Tehran, on the southern slopes of the Alborz Mountains (Store norske leksikon)
People (census 2016)
1,592,492
Province
Alborz, with Karaj as its capital (City Population)
Size
the fourth largest city in Iran (Store norske leksikon)
Photo of Karaj
Photo: Civilaut, CC BY-SA 4.0, via Wikimedia Commons

A city of packed buildings and gardens

Look at all the pale buildings, packed close together!

Behind them rise big, brown mountains.

Civilaut took this photo on 8 September 2019. In his own words, it shows the Azimieh area of Karaj from the air, looking from south to north. Rows of pale buildings fill the view, green trees grow in front, and bare brown mountains rise behind under a hazy blue sky.

Karaj also has gardens. On Wikidata, the Jahanshahr Gardens, listed as national heritage, are about 0.9 kilometers west of the city's point, and Little Iran Park about 1 kilometer west.

Commons: File:Azimieh Aerial View.jpg, by Civilaut (own work, CC BY-SA 4.0), taken 8 September 2019 11:34, uploaded 18 September 2019; the current version is a crop of it (4,640 x 2,060 pixels from 4,640 x 3,480) uploaded on 21 June 2021 by another user (Matin abdavi); his Persian description: an aerial view of the Azimieh area of Karaj from south to north; the first page version had no categories (the current ones are Commons filings). Seen in the 1,280-pixel copy: dense pale buildings, a long avenue at the left, trees in front, bare mountains behind, a hazy sky. Wikidata from the city point (Q36529): Family Park (Q107214482) 0.26 km WNW; Jahanshahr Gardens (Q42701695), a national heritage site, 0.86 km W; Little Iran Park (Q107211069) 0.98 km W; Fateh Garden (Q66161135), a national heritage site, 1.36 km W.

In the photo
the Azimieh area of Karaj from the air, looking from south to north, 8 September 2019 (Civilaut)
Jahanshahr Gardens
gardens on Iran's national heritage list, about 0.9 km west of the city's point (Wikidata)
Little Iran Park
a park about 1 km west of the city's point (Wikidata)
Photo of Karaj
Photo: Civilaut, CC BY-SA 4.0, via Wikimedia Commons

On the road between Tehran and Tabriz

People have lived around Karaj for a very long time.

Travelers once stopped there on the road between two big cities.

Store norske leksikon says pottery and building remains from the Achaemenid, Parthian and Sasanian periods have been found around Karaj. Under the Safavids, Karaj mattered because it lay on the road between Tehran and Tabriz, and caravanserais, inns for travelers and their animals, and bridges were built on its edges.

Karaj grew fast in recent times: from 442,387 people in 1991 to 1,592,492 in 2016.

Store norske leksikon: remains from the Achaemenid, Parthian and Sasanian periods around Karaj, including pottery and architectural remains; the town's importance grew under the Safavids because of its position on the Tehran-Tabriz road, shown by the caravanserais, bridges and palaces built on its outskirts; it grew further in the Qajar period (1796-1925) and gradually became an important communications hub and a popular summer resort. City Population: 442,387 (1991), 940,968 (1996), 1,386,030 (2006), 1,614,626 (2011), 1,592,492 (2016). Wikidata: the caravanserai of Karaj (Q5956008), a national heritage site, 2.67 km SSE; Pol-e Dokhtar (Q5958075), a bridge and national heritage site, 3.08 km SE.

Ancient times
pottery and building remains from the Achaemenid, Parthian and Sasanian periods around Karaj (Store norske leksikon)
Safavid period
caravanserais and bridges were built along the road between Tehran and Tabriz (Store norske leksikon)
1991 to 2016
the city grew from 442,387 to 1,592,492 people (Statistical Centre of Iran, via City Population)

Through the years

Metro, highways and an airport

Karaj has trains that run under the ground, called a metro.

Big roads lead to Tehran, close by.

Store norske leksikon says Karaj has a metro system, highways and an international airport. Its closeness to Tehran, only 36 kilometers away, makes its suburbs attractive to people who travel to work in the capital.

On Wikidata, Payam International Airport is about 16 kilometers west-southwest of the city's point.

Store norske leksikon: a metro system, highways and an international airport; the nearness of Tehran makes the suburbs attractive to commuters; Karaj gradually became an important communications hub. Wikidata from the city point: Payam International Airport (Q3443067) 16.16 km WSW.

Transport
a metro system, highways and an international airport (Store norske leksikon)
Payam International Airport
about 16 km west-southwest of the city's point (Wikidata)
Tehran
36 km to the east (Store norske leksikon)

Cooler and wetter than Tehran

Karaj is a bit cooler than Tehran, its big neighbor.

It is cooler most of all at night.

Store norske leksikon says Karaj's climate is generally cooler and wetter than Tehran's, because it is close to the Alborz Mountains, the Chalus valley and the Karaj River. The difference shows almost all year, especially at night.

With this climate and water from the Karaj River, the city was once a green garden city with many old trees. Over the last 40 years, as many people moved in from all over Iran, those gardens were gradually replaced by homes and roads.

Store norske leksikon: the climate is generally cooler and wetter than Tehran's, because of the nearness of the Alborz Mountains, the Chalus valley and the Karaj River; the temperature difference is seen almost all year, especially at night; with its favorable climate and water resources such as the Karaj River, the city was once a beautiful green garden city with countless old trees; in the last 40 years, with large migrations from all over Iran, these gardens were gradually destroyed and replaced by housing and roads.

Climate
generally cooler and wetter than Tehran (Store norske leksikon)
Why
the nearby Alborz Mountains, the Chalus valley and the Karaj River (Store norske leksikon)
Nights
the difference from Tehran shows almost all year, especially at night (Store norske leksikon)

Factories, farms and fruit

Farmers around Karaj grow peaches, melons, strawberries and tulips.

The city also has many factories.

Store norske leksikon says Karaj has many factories, mostly in industrial parks, making chemicals, food, medicines, metal goods and machines. Thanks to fertile soil and good groundwater, there is also a lot of farming: wheat, barley, cotton, tomatoes, melons, peaches, tulips and strawberries, as well as farm animals and poultry.

Karaj is often called 'Little Iran' because people from many parts of the country live there, and it has several universities, many of them for farming and natural resources.

Store norske leksikon: many production and industrial units, mainly in several industrial parks; main industries chemical, food, pharmaceutical, metal and machinery; extensive farming thanks to fertile soil and good groundwater, with wheat, barley, cotton, tomatoes, melons, peaches, tulips and strawberries; livestock and poultry very prominent; several universities and colleges, especially in agriculture and natural resources; called 'Little Iran' for its varied population (Persian speakers, Azerbaijanis, Kurds, Gilaks and Lurs); the country's youngest population. Wikidata: Alborz University of Medical Sciences (Q5940463) 1.76 km NE.

Industry
chemicals, food, medicines, metal and machinery, mostly in industrial parks (Store norske leksikon)
Farm products
wheat, barley, cotton, tomatoes, melons, peaches, tulips and strawberries (Store norske leksikon)
Nickname
'Little Iran', for its varied population (Store norske leksikon)
Photo of Karaj
Photo: Civilaut, CC BY-SA 4.0, via Wikimedia Commons

Karaj on the map

Find Iran on the globe. Look near the top, close to the big city of Tehran. There is Karaj!

Karaj lies at about 35.83° north and 50.99° east, on the southern slopes of the Alborz Mountains, 36 kilometers west of Tehran.

On Wikidata, the Jahanshahr Gardens are about 0.9 kilometers west of the city's point, the caravanserai about 2.7 kilometers south-southeast, the Pol-e Dokhtar bridge about 3.1 kilometers southeast and the airport about 16 kilometers west-southwest.

Karaj lies at about 35.83° N, 50.99° E (Wikidata point of Karaj, Q36529; the sheet point is 4.00 km SSW of it). Wikidata from the city point: Jahanshahr Gardens 0.86 km W; Fateh Garden 1.36 km W; caravanserai 2.67 km SSE; Pol-e Dokhtar 3.08 km SE; Payam International Airport 16.16 km WSW.

Latitude
about 35.83° north
Longitude
about 50.99° east
Mountains
the Alborz Mountains, on whose southern slopes Karaj lies (Store norske leksikon)

Amazing facts

  • Karaj is nicknamed 'Little Iran'!

    Store norske leksikon says Karaj is often called 'Little Iran' because people from many parts of the country live there.

    Store norske leksikon: often called 'Little Iran' because of its varied population, including Persian speakers, Azerbaijanis, Kurds, Gilaks and Lurs.

  • Farmers near Karaj grow tulips and strawberries!

    Store norske leksikon lists tulips, strawberries, peaches and melons among the farm products of Karaj.

    Store norske leksikon: wheat, barley, cotton, tomatoes, melons, peaches, tulips and strawberries; livestock and poultry very prominent.

  • In 2016, Karaj had more than three times as many people as in 1991!

    Iran's censuses counted 442,387 people in Karaj in 1991 and 1,592,492 in 2016, more than three and a half times as many.

    Statistical Centre of Iran (via City Population): 442,387 (1991) to 1,592,492 (2016), a factor of 3.6.

Words to know

caravanserai
an inn on a trade road where travelers and their animals could rest
province
one of the large areas a country is divided into
census
an official count of all the people living in a place
groundwater
water held in the soil and rock under the ground
commuter
a person who travels to another place for work each day
industrial park
an area set aside for factories and workshops

Discovery challenge

  1. Karaj is a city in which country?

    Karaj lies 36 kilometers west of which country's capital, Tehran?

    Karaj, the capital of Alborz Province, is in which country?

    • Iran
    • Chile
    • Norway
    Show the answer

    Iran

    Iran!

    Iran.

    Iran.

  2. Which mountains rise next to Karaj?

    On the southern slopes of which mountains does Karaj lie?

    Store norske leksikon places Karaj on the southern slopes of which range?

    • The Alborz Mountains
    • The Andes
    • The Alps
    Show the answer

    The Alborz Mountains

    The Alborz Mountains!

    The Alborz Mountains.

    The Alborz (Elburs) Mountains.

  3. Is Karaj cooler or hotter than Tehran?

    Compared with Tehran, what is Karaj's climate like?

    Store norske leksikon compares Karaj's climate with Tehran's. What does it say?

    • Cooler and wetter
    • Hotter and drier
    • Exactly the same
    Show the answer

    Cooler and wetter

    Cooler, and a bit wetter!

    Cooler and wetter, especially at night.

    Generally cooler and wetter, especially at night.

  4. Which flowers do farmers grow near Karaj?

    Which of these is among Karaj's farm products?

    Which crop does Store norske leksikon list among Karaj's farm products?

    • Tulips
    • Coffee
    • Bananas
    Show the answer

    Tulips

    Tulips!

    Tulips, along with strawberries, peaches and melons.

    Tulips.

Nearby places

Explore next

For parents & teachers

What children will learn

  • Locate Karaj west of Tehran, below the Alborz Mountains.
  • Explain how mountains and a river can make one city cooler than its neighbor.
  • Describe how a city's gardens can give way to housing as it grows fast.
  • Read a census table and work out how much a city grew.

Recommended ages: 3 to 17 · About 15 minutes

Talk about it

  • Why might a city next to mountains be cooler at night than a city farther away?
  • Why might people live in one city and travel to work in another?
  • What is lost and gained when gardens become homes and roads?

Try at home or in class

  • Growth bars: draw bars for Karaj's 442,387 (1991), 940,968 (1996), 1,386,030 (2006) and 1,592,492 (2016) people.
  • Map line: on a map, measure 36 kilometers from Tehran to Karaj with a ruler and the map's scale.
  • Farm basket: draw a basket with Karaj's crops: wheat, barley, cotton, tomatoes, melons, peaches, tulips and strawberries.

Key vocabulary: caravanserai, province, census, groundwater, commuter, industrial park

Where these facts come from

  1. Wikidata , Wikimedia Foundation (CC0 1.0)
  2. Natural Earth vector data , Natural Earth (NACIS) (Public domain)
  3. Karaj , Store norske leksikon
  4. Iran: Provinces and Cities , City Population (Thomas Brinkhoff), from Iran's census results
  5. File:Azimieh Aerial View.jpg , Wikimedia Commons
  6. Wikimedia Commons , Wikimedia Foundation (Per file (public domain, CC0, CC BY or CC BY-SA); see each media record)

Checked, not yet human-reviewed. Last updated November 1, 2026. Spotted a mistake? Tell us.

Picture credits
  • Photo: Civilaut, CC BY-SA 4.0, via Wikimedia Commons · source · license