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Ruins of the ancient city of Babylon Al-Hillah, Mesopotamia

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Babylon

Babylon was a great city long, long ago. It stood beside a river in the land we now call Iraq. Today, people dig carefully to learn about it.

Babylon was one of the most famous cities of the ancient world, beside the Euphrates River in what is now Iraq. Kings like Hammurabi and Nebuchadnezzar II ruled from here. Today its ruins are a UNESCO World Heritage Site, and about 85 percent of it has never been dug up.

Babylon was the capital of southern Mesopotamia from the early 2nd millennium BCE and of the Neo-Babylonian Empire from 626 to 539 BCE, when Nebuchadnezzar II made it, in Britannica's words, the largest city in the world. Excavated by Robert Koldewey from 1899 to 1917, partly reconstructed in the 20th century and inscribed by UNESCO in 2019, it remains roughly 85 percent unexcavated.

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Photo: Mohamm3dfadil, CC BY-SA 4.0, via Wikimedia Commons

Discover Babylon

Babylon is a very old city in Iraq. People lived there thousands of years ago.

It had huge brick walls and big gates. A river flowed right through it. Today, most of the old city is still hidden under the ground.

Babylon's ruins lie near the town of Al-Hillah in Iraq, about 85 kilometers south of Baghdad. In ancient times the Euphrates River flowed right through the city. The river has since moved to a new course.

Babylon was the capital of powerful kingdoms for more than a thousand years. At its height, around 600 BCE, it covered about 10 square kilometers, and it had walls, gates, palaces and temples. UNESCO made it a World Heritage Site in 2019. About 85 percent of the site has never been excavated, so there is still a lot to discover.

The site lies about 85 km south of Baghdad near Al-Hillah. The Euphrates once flowed through the city, dividing an older eastern half from the western half; it has since shifted its course. Babylon was the capital of southern Mesopotamia (Babylonia) from the early 2nd millennium to the early 1st millennium BCE and of the Neo-Babylonian Empire from 626 to 539 BCE.

UNESCO inscribed the property in 2019, including its outer and inner walls, gates, palaces and temples and the villages and farmland around them. Its listing stresses Babylon's influence on architecture and urban design and its scientific legacy in mathematics and astronomy, built on earlier Sumerian and Akkadian achievements such as cuneiform writing. Around 85 percent of the property remains unexcavated.

Where
Near Al-Hillah, about 85 km south of Baghdad, Iraq
Capital of the Neo-Babylonian Empire
626 to 539 BCE
City size under Nebuchadnezzar II
about 10 square km (4 square miles)
UNESCO World Heritage
since 2019
Ruins of the ancient city of Babylon Al-Hillah, Mesopotamia
Photo: Mohamm3dfadil, CC BY-SA 4.0, via Wikimedia Commons

Kings, empires and change

Long ago, a king named Hammurabi ruled Babylon. His laws were carved on big stones.

Later, King Nebuchadnezzar made the city even bigger. Then other kings from far away ruled it. Slowly, people moved away, and the city became ruins.

No writing older than the 23rd century BCE, more than 4,200 years ago, mentions Babylon. Around 1894 BCE it became the center of a small kingdom. Its most famous early king, Hammurabi, ruled from 1792 to 1750 BCE. He made Babylon the capital of all of southern Mesopotamia, and his laws were carved on stone pillars.

Much later, King Nebuchadnezzar II (605 to 561 BCE) rebuilt the city on a grand scale. In 539 BCE the Persian king Cyrus II took Babylon almost without a fight. Alexander the Great arrived in 331 BCE and died there in 323 BCE. After a new capital was built on the Tigris River, Babylon slowly lost its importance.

Britannica notes that Babylon rose late by Mesopotamian standards: it is not mentioned before the 23rd century BCE. The Amorite king Sumuabum founded a small kingdom there in 1894 BCE, and the sixth king of his dynasty, Hammurabi (1792 to 1750 BCE), made Babylon the capital of all southern Mesopotamia and part of Assyria; the stone stelae carrying Hammurabi's laws are among the most famous objects linked with Babylon. Hittites raided the city in 1595 BCE, and the Kassites then ruled for more than four centuries.

In 626 BCE Nabopolassar made Babylon the capital of the kingdom that, under his son Nebuchadnezzar II (605 to 561 BCE), became the Neo-Babylonian Empire. Cyrus II of Persia took the city in 539 BCE almost without resistance; under Persian rule the Greek historian Herodotus called it the world's most splendid city. Alexander the Great entered in 331 BCE and died in Nebuchadnezzar's palace in 323 BCE. Under the Seleucids, the new capital of Seleucia on the Tigris drew people away, and part of Babylon's population was moved there in 275 BCE.

Through the years

How the great city was laid out

Babylon was built with lots and lots of bricks.

It had two thick walls around it, with a ditch outside. A grand street led to a gate. Shiny bricks with lions on them lined the street. A tall stepped tower stood in the middle of the city.

King Nebuchadnezzar II rebuilt Babylon with workers brought from many lands. Its streets were laid out in a grid, like squares on graph paper, with the main streets running beside the river. A bridge on brick pillars crossed the Euphrates.

A thick double wall with a ditch outside went all the way around the city, and an outer wall 18 kilometers long protected even more land. There were eight strong gates. A paved street called the Processional Way had walls covered in shiny glazed bricks showing lions. In the older part of the city stood a ziggurat, a giant tower built in steps.

Most of what is known about the city's plan comes from Nebuchadnezzar's rebuilding, which left relatively little earlier material in the center; elsewhere a high water table limits digging into early layers. His Babylon covered about 10 square km. Streets ran on a grid with the main axis parallel to the Euphrates, which was spanned by a bridge on brick piles capped with stone, and quays along the river served trading boats.

A massive double wall, protected by a ditch (fosse), enclosed the city on both banks, with eight fortified gates. East of the city, a triple outer rampart 18 km long met the river north and south and enclosed irrigated land and canals. The paved Processional Way was lined with walls of glazed brick lions and passed through a gate decorated with glazed bulls. In the older eastern half stood the great temple Esagila and its ziggurat Etemenanki: Britannica gives it a base 91 m (300 ft) on a side and seven stages rising to a height equal to its base. Two palace complexes with their fortifications covered about 16 hectares.

What you can see today

Today, Babylon has big hills of old ruins.

There is a huge stone lion. Some walls were built again in modern times, so visitors can see how tall they were. The famous gate of shiny bricks is far away, in a museum in Germany.

Today the site is a wide field of ruins with several large mounds. Each mound hides a part of the old city, such as Nebuchadnezzar's palaces or the great temple. Where the ziggurat once stood, there is only a hollow in the ground.

A giant stone lion, bigger than life size, stands near the old gate. From 1958, Iraqi archaeologists restored parts of the palace, gate and Processional Way and built a half-size copy of the gate at the entrance. The original glazed-brick gate is in Germany: it was rebuilt in a museum in Berlin, where it has been since 1930.

The ruins form several mounds: Babil (Nebuchadnezzar's northern palace), Qasr (the main palace complex and the gate), Amran ibn Ali (the great temple Esagila), Merkez (the old residential quarter) and others. A depression called Sahn marks where the ziggurat stood. North of the gate stands a larger-than-life basalt lion, probably of Hittite origin and brought to Babylon in antiquity. The original glazed gate, known as the Ishtar Gate, has been in Berlin's Pergamon Museum since 1930.

Iraq's Department of Antiquities began restoring parts of the gate, the Processional Way and the palace in 1958 and built a half-size model of the gate. UNESCO notes that the 1980s "Revival of Babylon" reconstructions, built on ancient foundations, often rest on very scanty evidence, so their height and design are conjecture; in most cases they can be told apart from the original remains.

Fortified gates
8
Ziggurat base
91 m (300 ft) on a side
Outer rampart
18 km (11 miles) long
Unexcavated
about 85 percent
Ruins of the ancient city of Babylon Al-Hillah, Mesopotamia
Photo: Mohamm3dfadil, CC BY-SA 4.0, via Wikimedia Commons

Digging up Babylon

Archaeologists dig very carefully to find old things.

At Babylon, they found writing on clay, statues, pots and jewelry. Each find tells us how people lived long ago. People are working hard to keep the old city safe.

Explorers made small digs at Babylon in the 1800s. Then, from 1899 to 1917, the German archaeologist Robert Koldewey led a huge dig that did not stop for 18 years. His team found writing in cuneiform, the wedge-shaped script of Mesopotamia, as well as statues, carved stone pillars, seals, pottery, glass and jewelry.

Ancient Greek tradition tells of the Hanging Gardens of Babylon, a hill of plants on terraces. Koldewey found vaulted rooms that some people think held up the gardens, but no one has found remains that prove where the gardens were. Today Iraq protects the site, and UNESCO says it urgently needs careful conservation, because damage can happen at any time, especially when it rains.

After surveys by Claudius James Rich (1811 and 1817), Austen Henry Layard (1850) and others, Koldewey excavated for the German Oriental Society without a break from 1899 to 1917, recovering cuneiform inscriptions, statues, stelae, terra-cotta reliefs, cylinder seals, pottery, glassware and jewelry. Greek tradition counted the Hanging Gardens, terraced planting over vaulted foundations, among the Seven Wonders; Koldewey's vaults in the palace's northeast corner are one candidate, others place the gardens at Nineveh, and no confirmed remains have been found.

From 2003 a military camp on the ruins caused leveling and contamination before the site was returned to Iraq's Ministry of Culture in 2005; the World Monuments Fund and Iraq's State Board of Antiquities and Heritage announced a conservation plan in 2009. UNESCO describes the site's condition as critical, threatened by illegal building, dumped and burned trash and pollution, under a management plan endorsed in 2018.

Amazing facts

  • Babylon's grand street had walls with shiny lions on them.

    The walls along Babylon's Processional Way were decorated with lions made of shiny glazed bricks.

    The paved Processional Way ran north from the great temple between walls decorated with enameled lions, through a gate adorned with enameled bulls.

  • Babylon's famous gate of shiny bricks is now in a museum in Germany.

    Babylon's famous glazed gate has been in a museum in Berlin, Germany, since 1930. A half-size copy stands at the entrance to the ruins.

    The original Ishtar Gate has been in Berlin's Pergamon Museum since 1930; Iraq's Department of Antiquities built a half-size model at the site's entrance.

  • Most of Babylon has never been dug up.

    About 85 percent of Babylon has never been excavated, so many secrets are still hidden under the ground.

    UNESCO estimates that around 85 percent of the property remains unexcavated, which it calls of primary importance for future research.

  • A famous king, Alexander the Great, died in Babylon.

    Alexander the Great died in Nebuchadnezzar's palace in Babylon in 323 BCE. He had planned to make Babylon his capital.

    Alexander died in Nebuchadnezzar's palace in 323 BCE, having planned to make Babylon his imperial capital and begun building a harbor there.

Words to know

Mesopotamia
the ancient land between the Tigris and Euphrates rivers, mostly in today's Iraq
ziggurat
a giant tower built in stages, like huge steps
glazed brick
a brick with a shiny, glassy coat of color baked onto it
cuneiform
an ancient way of writing with wedge-shaped marks pressed into clay
archaeologist
a scientist who digs up and studies things people left long ago
excavate
to dig carefully to uncover buried things
stele
a tall carved stone slab with writing or pictures on it

Discovery challenge

  1. Which river flowed through Babylon?

    Which river flowed through ancient Babylon?

    Which river divided Babylon into an older eastern half and a western half?

    • The Euphrates
    • The Nile
    • The Amazon
    Show the answer

    The Euphrates

    The Euphrates! It is a big river in Iraq.

    The Euphrates River flowed right through the city. It has since moved to a new course.

    The Euphrates, spanned by a bridge on brick piles; the river has since shifted its course away from the ruins.

  2. Which king of Babylon wrote down famous laws?

    Which king made Babylon a capital and had his laws carved on stone?

    Which Amorite king (1792 to 1750 BCE) made Babylon the capital of southern Mesopotamia and left stelae of laws?

    • Alexander
    • Hammurabi
    • Cyrus
    Show the answer

    Hammurabi

    Hammurabi! His laws were carved on tall stones.

    Hammurabi ruled from 1792 to 1750 BCE and made Babylon the capital of southern Mesopotamia. His laws were carved on stone pillars.

    Hammurabi, sixth king of the Amorite dynasty, raised Babylon to capital of southern Mesopotamia; stelae carrying his code are among the most famous objects linked with Babylon.

  3. Which animal was on the shiny bricks of Babylon's grand street?

    Which animal was shown in glazed bricks along the Processional Way?

    Which animal decorated the enameled brick walls of the Processional Way?

    • Elephant
    • Whale
    • Lion
    Show the answer

    Lion

    Lions! Shiny brick lions walked along the walls.

    Lions made of shiny glazed bricks decorated the walls along the Processional Way.

    Enameled lions lined the Processional Way; glazed bulls adorned the gate it passed through.

  4. Where is Babylon's famous gate today?

    Where has Babylon's original glazed-brick gate been kept since 1930?

    Where has the original Ishtar Gate been kept since 1930?

    • In a museum in Berlin, Germany
    • In a museum in Tokyo, Japan
    • Still standing in Babylon
    Show the answer

    In a museum in Berlin, Germany

    It is in a museum in Berlin, in Germany.

    The original gate is in a museum in Berlin. A half-size copy was built at the entrance to the ruins.

    It has stood in Berlin's Pergamon Museum since 1930; Iraq's Department of Antiquities built a half-size model at the site.

Nearby places

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For parents & teachers

What children will learn

  • Locate Babylon on the Euphrates in Iraq and place it in Mesopotamian history.
  • Describe how Nebuchadnezzar II's Babylon was planned: grid streets, double walls, gates and a ziggurat.
  • Explain how archaeologists learn about ancient cities, and why reconstructions must be told apart from original remains.

Recommended ages: 3 to 17 · About 15 minutes

Talk about it

  • Some walls at Babylon were rebuilt in modern times. Is it better to rebuild old ruins so visitors can imagine them, or to leave them as they are? Why?
  • Babylon's famous gate is in a museum in another country. What questions does that raise about where ancient treasures should be kept?
  • Most of Babylon is still underground. What might archaeologists still find there?

Try at home or in class

  • Press a craft stick into a flat piece of play dough to make wedge-shaped marks, and try writing your name in your own wedge code, like cuneiform.
  • Build a ziggurat from stacked boxes or blocks, each stage smaller than the one below, and count its stages.

Key vocabulary: Mesopotamia, ziggurat, glazed brick, cuneiform, archaeologist, excavate, stele

Where these facts come from

  1. Wikidata , Wikimedia Foundation (CC0 1.0)
  2. Babylon (World Heritage List 278) , UNESCO World Heritage Centre
  3. Babylon , Encyclopaedia Britannica (Henry W.F. Saggs; updated Sep. 26, 2026)
  4. Babylon: The ancient city, The present site, Archaeology , Encyclopaedia Britannica
  5. 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 October 27, 2026. Spotted a mistake? Tell us.

Picture credits
  • Photo: Mohamm3dfadil, CC BY-SA 4.0, via Wikimedia Commons · source · license
  • Photo: Hardnfast, CC BY 3.0, via Wikimedia Commons · source · license