Carthage was a Phoenician city founded around 814 BC on a promontory in the Gulf of Tunis, in what is now a suburb of Tunis, Tunisia. It grew into the dominant maritime power of the western Mediterranean before Rome destroyed it in 146 BC at the end of the Third Punic War. The ruins visible today are mostly Roman, because Rome rebuilt the city as a colony a century after levelling it — the Punic city survives largely as foundations, tombs and the outline of its two artificial harbours.
A Tyrian Colony on the Narrowest Part of the Sea
Carthage — Qart-ḥadašt, "New City" in Phoenician — was founded by settlers from Tyre, on the coast of present-day Lebanon. The traditional date is 814 BC, and archaeology has produced material broadly consistent with a late ninth-century foundation. The Roman account, given fullest form by Virgil, has Queen Dido flee her brother Pygmalion of Tyre and buy as much land as an oxhide would cover, then cut the hide into strips to enclose the hill that became the Byrsa citadel. The pun works in Greek, where byrsa means hide; the Phoenician word for citadel sounded similar, which is probably how the story started.
Its position was the whole point. The Strait of Sicily, between Cape Bon in Tunisia and western Sicily, is the narrowest point of the Mediterranean, about 145 kilometres across. Anything sailing between the eastern and western halves of the sea passes through it. Carthage sat on a defensible peninsula immediately beside that chokepoint, with fertile Tunisian hinterland behind it and the Phoenician trade network of the Levant ahead.
From that base Carthage built an empire of coastal enclaves rather than conquered territory: western Sicily, Sardinia, the Balearics, Ibiza, the coast of southern Iberia, and the North African shore westward. It was a commercial network held by sea power, and it depended on keeping other navies out of the western Mediterranean.
The Cothon: Two Harbours Cut Out of the Ground
The most remarkable Punic survival is the shape of the harbours. Carthage had a two-part artificial port — the cothon — consisting of a rectangular commercial basin connected by a channel to a circular naval basin behind it, screened from view from the sea.
Ancient descriptions, principally by the Greek historian Appian, report that the circular harbour held ship-sheds for on the order of 220 warships, arranged radially around a central island that carried the admiral's headquarters. Excavation in the 1970s and 1980s confirmed the essentials: the island exists, and slipway foundations consistent with a very large number of berths were found. The outlines of both basins are still legible on the ground and unmistakable from the air.
Carthaginian shipbuilding was industrial in a way that startled contemporaries. A Punic warship wreck recovered off Marsala, Sicily, carries shipwright's marks on its timbers — components numbered for assembly, implying standardised parts and something close to serial production. Polybius records that Rome, with no naval tradition, copied a captured Carthaginian quinquereme and built a fleet from that template during the First Punic War.
Three Wars, and Hannibal's March
The Punic Wars ran across more than a century and ended the city.
- First Punic War, 264–241 BC — fought mainly over Sicily. Rome built its first real navy, won at Cape Ecnomus and the Aegates Islands, and took Sicily. Carthage lost Sardinia and Corsica shortly after, amid a mercenary revolt.
- Second Punic War, 218–201 BC — Hannibal Barca crossed the Alps from Iberia in 218 BC with an army including war elephants, and destroyed Roman forces at Trebia, Lake Trasimene and, in 216 BC, Cannae, where a Roman army was encircled and annihilated. He campaigned in Italy for over fifteen years without taking Rome. Scipio invaded Africa, recalled him, and defeated him at Zama in 202 BC.
- Third Punic War, 149–146 BC — a siege rather than a war. Carthage had recovered commercially, which Cato the Elder used to argue in the Senate that it must be destroyed. Scipio Aemilianus took the city after three years; the population was killed or enslaved and the site razed.
The story that Rome sowed the ground with salt is a nineteenth-century invention with no ancient source. What Rome did do was formally curse the site — and then, in 122 BC and definitively under Julius Caesar and Augustus, refound it as a Roman colony, because the geography that made Carthage valuable had not changed.
What Roman Carthage Left on the Ground
Roman Carthage became the capital of the province of Africa and, by the second century AD, one of the largest cities in the empire — plausibly second or third in the west after Rome itself. Most of what a visitor walks through today is from that phase.
The Antonine Baths, completed under Antoninus Pius in the mid-second century, were among the largest bath complexes anywhere in the Roman world; the surviving basement level alone gives a sense of the vanished superstructure. Water reached the city by an aqueduct running roughly 130 kilometres from Zaghouan, sections of which still stand, feeding the enormous La Malga cisterns. There is a theatre, an amphitheatre, the villa quarter on the Odeon hill, and the Byrsa hill itself, where Roman terracing sliced the top off the Punic citadel — preserving, underneath the fill, a block of Punic houses that is now the best-surviving piece of the original city.
Carthage was also a centre of early Christianity. Tertullian wrote there around 200 AD, Cyprian was its bishop and was martyred in 258, and Augustine studied there before becoming bishop of Hippo. The Vandals took the city in 439 AD and made it their capital; Byzantine reconquest followed in 533; the Arab conquest of 698 ended it, and the new regional centre moved inland to Tunis and to Kairouan.
The Tophet and a Long-Running Argument
The most contested part of the site is the Tophet of Salammbô, a walled precinct containing thousands of small urns holding the cremated remains of infants and young animals, each often marked by a stone stele, deposited over roughly six centuries from the eighth century BC.
Greek and Roman writers stated plainly that Carthaginians sacrificed their children to Baal Hammon and Tanit. One school of modern scholarship treats those accounts as hostile propaganda and reads the Tophet as a cemetery for infants who died of natural causes, pointing to high ancient infant mortality. Another argues the urn contents, the age distribution, the dedicatory inscriptions and the paired animal offerings point to sacrifice, at least in some cases. Skeletal and isotopic studies have been read both ways.
The honest position is that it is unresolved, and that the sources hostile to Carthage are the only literary ones that survive — the Carthaginians' own libraries were dispersed after 146 BC, and almost nothing written from the Punic side comes down to us.
Visiting a Site Scattered Through a Suburb
Carthage is about 15 kilometres northeast of central Tunis and is reached most easily on the TGM light rail, which runs from Tunis Marine out to the coast with several stations named for the site — Carthage Hannibal, Carthage Byrsa, Carthage Dermech. A single ticket covers the major excavation areas, and it is checked at each.
The practical difficulty is that the components are spread across roughly three kilometres of an affluent residential district, with the Tunisian presidential palace occupying part of the ancient centre and closed approaches around it. Walking between the Antonine Baths, the Byrsa, the harbours and the Tophet takes most of a day in summer heat, and taxis between them are the usual solution. The Carthage National Museum on the Byrsa hill holds the Punic material — stelae, masks, the sarcophagi of a priest and priestess — and is the place to start rather than finish, since it supplies the context the open sites lack.
Sidi Bou Said, the blue-and-white clifftop village, sits immediately north and is almost always combined with the visit. Spring and autumn are the comfortable seasons; July and August are hot enough to compress what is already a dispersed itinerary.
Carthage Set Beside Leptis Magna and Ephesus
As an archaeological visit, Carthage is better understood by comparison with the Roman cities that were not destroyed and rebuilt. Leptis Magna in Libya, roughly 700 kilometres east, was also a Phoenician foundation that became a great Roman city — and it is far better preserved, because it was abandoned and buried in sand rather than continuously occupied. Its Severan forum, basilica and arch stand to something close to full height. Carthage has nothing comparable standing, because its stone was quarried for Tunis for a thousand years and because a modern suburb now sits on top of it.
Ephesus in Turkey shows what continuous excavation of an unencumbered site produces: paved streets, the Library of Celsus reconstructed, terrace houses under cover. Carthage's excavations are instead a series of fenced islands between villas, roads and the presidential palace, which is why the site can disappoint visitors expecting a coherent ruined city.
What Carthage has that neither has is primacy. It was the independent power that nearly broke Rome, not a provincial city that prospered under it, and the Punic layer beneath the Roman one has no equivalent elsewhere. The wider country, its coast and its other Roman sites — El Jem's amphitheatre above all — are covered in the Tunisia country guide, and the city that inherited Carthage's role is described in the guide to Tunis.