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Oppidum

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Ancient stone wall ruins at the historical site of Gergovie.

An oppidum (pl.: oppida) is a large fortified settlement or town from the European Iron Age. These places were mainly linked to the Celtic late La Tène culture and appeared during the 2nd and 1st centuries BC. They stretched across Europe, from Britain and Iberia in the west all the way to the edge of the Hungarian Plain in the east.

Distribution of fortified oppida, La Tène period

Many of these settlements stayed in use even after the Romans took over Southern and Western Europe. Some became important Roman towns and cities, while others were left behind. In places north of the rivers Danube and Rhine, such as most of Germania, where people were not ruled by Rome, oppida kept being used until the 1st century AD. These ancient towns give us valuable clues about life before the Roman Empire.

Definition

An oppidum is a Latin word meaning a fortified town or administrative center. It was used to describe both non-Roman and Roman-controlled towns. The term comes from an older Latin phrase meaning "enclosed space."

Reconstruction of the eastern gate of the oppidum of Manching

Julius Caesar wrote about large Celtic settlements in Gaul during the Gallic Wars from 58 to 52 BC. He called these places oppida. They were important for trade and storing goods, and they were also political centers where leaders made big decisions.

Today, archaeologists use the word oppidum to describe large fortified settlements from the Celtic Iron Age. These settlements were often built on high ground and surrounded by strong walls. They were like the first cities in areas north of the Alps, dating from the 2nd and 1st centuries BC. Some were as small as 2 hectares, but many were much larger.

Main article: La Tène culture

Location and type

Reconstructed walls of the Celtic oppidum of Bibracte, in Burgundy, France

In the late third century BC, towns began to grow across Europe. These started as open settlements and later became large, fortified towns called oppida. These were very big, sometimes covering hundreds of hectares, and had strong walls that showed power and wealth. They were important for trade, politics, and religion, with organized spaces for different uses.

Bibracte oppidum, France, seen from above, 1st century BC

Oppida varied in size and design. Some had rows of houses, while others had spaced-out estates. Their walls and gates were impressive and helped control movement. One famous wall, the murus gallicus, was built with timber, stones, and earth. Oppida in different regions had different building styles, using either dry stone walls, wooden supports, or earth ramparts. Some oppida, like Stanwick in Britain, covered huge areas, while others used natural features like rivers for protection.
John Collis
Hungarian plain
Bibracte
Manching
insulae
Bohemia
Bavaria
Hradec Králové
Czech Republic
La Tène period
Boii tribe
Stanwick
Dry stone
Kelheim
Pfostenschlitzmauer
Preist
murus gallicus
Camulodunon
Colchester
Trinovantes
Catuvellauni
River Colne

Corent oppidum, France
The plateau of Gergovia, France, site of the Gergovia oppidum

History

Model of the Roman siege of Avaricum, France, during the Gallic Wars (52 BC)

In prehistoric Europe, the population grew over time. By the late Iron Age, around the 2nd and 1st centuries BC, many large settlements called oppida appeared. These were some of the first big towns or cities north of the Alps. They could hold up to 10,000 people and were often built on high ground to control nearby trade routes.

Oppida were used until the Romans came and took over parts of Europe. In places the Romans conquered, many oppida became important Roman towns, sometimes moving from hilltops to flat areas. Even in places the Romans didn’t reach, these settlements were mostly left behind by the late 1st century AD.

Examples

Celtic names are in italics.

France

View of Mont Auxois, the site of Alesia, France

Germany

Vesontio oppidum, France
Stone walls at the oppidum of Entremont, France

Switzerland

Britain

Reconstruction of an entrance gate at the Donnersberg oppidum, Germany

Iberian peninsula

See also: Castro culture

Elsewhere

Images

Historical model showing the ancient Celtic city of Manching as it might have looked in the 2nd century BC.
A model showing how the ancient Celtic town of Manching might have looked around the 2nd century BC.

Related articles

Celts
Danube
Rhine
Germania
Latin
Julius Caesar

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