Genoa is the sixth-largest city in Italy and the capital of the region of Liguria in northern Italy. As of 2026, 566,247 people live within the city's administrative limits. While its metropolitan city has 820,691 inhabitants, more than 1.5 million people live in the wider metropolitan area stretching along the Italian Riviera.

On the Gulf of Genoa in the Ligurian Sea, Genoa has historically been one of the most important ports on the Mediterranean: it is the busiest port in Italy and the Mediterranean Sea and twelfth-busiest in the European Union.

Genoa was the capital of one of the most powerful maritime republics for over seven centuries, from the 11th century to 1797. Particularly from the 12th century to the 15th century, the city played a leading role in the history of commerce and trade in Europe, becoming one of the largest naval powers of the continent and considered among the wealthiest cities in the world. It was also nicknamed la Superba ("the superb one") by Petrarch due to its glories on the seas and impressive landmarks. The city has hosted massive shipyards and steelworks since the 19th century, and its solid financial sector dates back to the Middle Ages. The Bank of Saint George, founded in 1407, is the oldest known state deposit bank in the world and has played an important role in the city's prosperity since the middle of the 15th century.Alta Macadam, Northern Italy: From the Alps to Bologna, Blue Guides, 10th edn. (London: A. & C. Black, 1997).

The historical centre, or old town, of Genoa is one of the largest and most-densely populated in Europe. Part of it was also inscribed on the World Heritage List (UNESCO) in 2006 as Genoa: Le Strade Nuove and the system of the Palazzi dei Rolli. Genoa's historical city centre is also known for its narrow lanes and streets called caruggi ('alleys'). Genoa is also home to the University of Genoa, which has a history going back to the 15th century, when it was known as Genuense Athenaeum. The city's rich cultural history in art, music and cuisine allowed it to become the 2004 European Capital of Culture. It is the birthplace of Guglielmo Embriaco, Christopher Columbus, Simonetta Vespucci, Andrea Doria, Niccolò Paganini, Giuseppe Mazzini, Pope Benedict XV, Renzo Piano, Fabrizio De André and Grimaldo Canella, founder of the House of Grimaldi, among others.

Genoa, which forms the southern corner of the Milan-Turin-Genoa industrial triangle of Northwest Italy, is one of the country's major economic centres.'Genoa Economy' , World66.com.'Italy: Industry', Encyclopedia of the Nations, Advameg, Inc. A number of leading Italian companies are based in the city, including Fincantieri, Leonardo, Ansaldo Energia, Ansaldo STS, Erg, Piaggio Aerospace, Mediterranean Shipping Company and Costa Cruises.

Etymology The city's modern name may derive from the Latin word (; singular: ), meaning 'knees', because of its position at the centre of the Ligurian coastal arch, which was deemed the "knee region" of a "booted leg".

An alternative origin for it is the theonym of Janus, a Roman deity said to have two faces: a fore-turned one and a back-turned one, which was eventually used as a metaphor for the city's two sides (or "faces"): the sea-facing southside and the mountains-facing northside. The Latin word () is yet another proposed source of the name, related to Janus's name and meaning 'door' or 'passage' (into the Italian Peninsula). The Latin name (; 'Genoa town') was recorded by Pliny the Elder as part of the Augustan (English: Liguria the Ninth Region).Pliny the Elder. Naturalis Historia. Book 3, section 48 (English version)

Finally, the placename might have had an origin in the Etruscan language, specifically in the term , which meant 'new city'. Such etymology was proposed after the discovery of an Etruscan pottery-sherd inscription that read ; it suggests that the Latin name would have been an alteration of that older Etruscan name, whose original "New City" meaning was lost to the Roman tongue.

History

Prehistory and Roman times

The city's area has been inhabited since the fifth or fourth millennium BC, making it one of the oldest continuously inhabited cities in the world. In the fifth century BC the first town, or oppidum, was founded probably by the ancient Ligures (which gave the name to the modern region of Liguria) at the top of the hill today called Castello (Castle), which is now inside the medieval old town.The objects found during the works for the underground had been exposed in the exhibition Archeologia Metropolitana. Piazza Brignole e Acquasola, held at the Ligurian Archeology Museum (30 November 2009 – 14 February 2010) ( ) In this period the Genoese town, inhabited by the "Genuati" (a group of Ligure peoples), was considered "the emporium of the Ligurians", given its strong commercial character.

The "Genoese oppidum" had an alliance with Rome through a foedus aequum (equal pact) in the course of the Second Punic War. The Carthaginians accordingly destroyed it in 209 BC. The town was rebuilt and, after the Carthaginian Wars ended in 146 BC, it received municipal rights. The original castrum then expanded towards the current areas of Santa Maria di Castello and the San Lorenzo promontory. Trade goods included skins, timber, and honey. Goods were moved to and from Genoa's hinterland, including major cities like Tortona and Piacenza. An amphitheater was also found there among other archaeological remains from the Roman period.

Middle Ages to early modern period

5th to 10th centuries

After the fall of the Western Roman Empire, the Ostrogoths occupied Genoa. After the Gothic War, the Byzantines made it the seat of their vicar. When the Lombards invaded Italy in 568, Bishop Honoratus of Milan fled and held his seat in Genoa.Paul the Deacon, Historia Langobardorum, II.25 During this time and in the following century Genoa was little more than a small centre, slowly building its merchant fleet, which was to become the leading commercial carrier of the Western Mediterranean. In 934–35 the town was thoroughly sacked and burned by a Fatimid fleet under Ya'qub ibn Ishaq al-Tamimi.

Rise of the Genoese Republic

Genoa started expanding during the First Crusade. At the time the city had a population of about 10,000. Twelve galleys, one ship and 1,200 soldiers from Genoa joined the crusade. The Genoese troops, led by noblemen de Insula and Avvocato, set sail in July 1097. The Genoese fleet transported and provided naval support to the crusaders, mainly during the siege of Antioch in 1098, when the Genoese fleet blockaded the city while the troops provided support during the siege. In the siege of Jerusalem in 1099 Genoese crossbowmen led by Guglielmo Embriaco acted as support units against the defenders of the city.

The Republic's role as a maritime power in the Mediterranean region secured many favorable commercial treaties for Genoese merchants. They came to control a large portion of the trade of the Byzantine Empire, Tripoli (Libya), the Principality of Antioch, Cilician Armenia, and Egypt. Although Genoa maintained free-trading rights in Egypt and Syria, it lost some of its territorial possessions after Saladin's campaigns in those areas in the late 12th century.

13th and 14th centuries

The commercial and cultural rivalry of Genoa and Venice was played out through the thirteenth century. Thanks to the major role played by the Republic of Venice in the Fourth Crusade, Venetian trading rights were enforced in the eastern Mediterranean and Venice was able to gain control of a large portion of maritime commerce in the region.

To regain control of local commerce, the Republic of Genoa allied with Michael VIII Palaiologos, emperor of Nicaea, who wanted to restore the Byzantine Empire by recapturing Constantinople. In March 1261 the treaty of the alliance was signed in Nymphaeum. On 25 July 1261, Nicaean troops under Alexios Strategopoulos recaptured Constantinople. As a result, the balance of favour tipped toward Genoa, which was granted free trade rights in the Nicene Empire. The islands of Chios and Lesbos became commercial stations of Genoa as well as the city of Smyrna (Izmir). In the same century the Republic conquered many settlements in Crimea, known as Gazaria, where the Genoese colony of Caffa was established. The alliance with the restored Byzantine Empire increased the wealth and power of Genoa, and simultaneously decreased Venetian and Pisan commerce. The Byzantine Empire had granted the majority of free trading rights to Genoa.

Around the 14th century, Genoa was also credited with the invention of blue jeans. Genoa's jean fabric was a fustian textile of "medium quality and of reasonable cost", very similar to cotton corduroy for which Genoa was famous, and was "used for work clothes in general". The Genoese navy equipped its sailors with jeans, as they needed a fabric which could be worn wet or dry.

During the Catalan–Genoese War, Genoa was besieged and sacked by Guillem de Cervelló. As a result of the Genoese support to the Aragonese rule in Sicily, Genoa was granted free trading and export rights in the Kingdom. Genoese bankers also profited from loans to the new nobility of Sicily. Corsica was formally annexed in 1347.Encyclopædia Britannica, 1910, Volume 7, page 201.

15th and 16th centuries

In the 15th century two of the earliest banks in the world were founded in Genoa: the Bank of Saint George, founded in 1407, which was the oldest state deposit bank in the world at its closure in 1805 and the Monte di Pietà of Genoa founded in 1483. Christopher Columbus was born in Genoa  1451, and donated one-tenth of his income from the discovery of the Americas for Spain to the Bank of Saint George in Genoa for the relief of taxation on goods. Under the ensuing economic recovery, many aristocratic Genoese families, such as the Balbi, Doria, Grimaldi, Pallavicini, and Serra, amassed tremendous fortunes. According to Felipe Fernandez-Armesto and others, the practices Genoa developed in the Mediterranean (such as chattel slavery) were crucial in the exploration and exploitation of the New World.Before Columbus: Exploration and Colonization from the Mediterranean to the Atlantic, 1229–1492.

Thereafter, Genoa became something of an associate of the Spanish Empire, with Genoese bankers, in particular, financing many of the Spanish crown's foreign endeavors from their counting houses in Seville. Fernand Braudel has even called the period 1557 to 1627 the "age of the Genoese", "of a rule that was so discreet and sophisticated that historians for a long time failed to notice it" (Braudel 1984 p. 157). The Genoese bankers provided the unwieldy Habsburg system with fluid credit and a dependably regular income. But other historians have stressed how the Genoese participation in the Spanish Atlantic went well beyond financial flows, with Genoese merchants and entrepreneurs settling in different areas of the empire and building Genoese networks that lasted well into the 19th century. In return the less dependable shipments of American silver were rapidly transferred from Seville to Genoa, to provide capital for further ventures. Genoa's trade, however, remained closely dependent on control of Mediterranean sealanes, and the loss of Chios to the Ottoman Empire (1566), struck a severe blow.Philip P. Argenti, Chius Vincta or the Occupation of Chios by the Turks (1566) and Their Administration of the Island (1566–1912), Described in Contemporary Diplomatic Reports and Official Dispatches (Cambridge, 1941), Part I.

17th century