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Bologna

Emilia-Romagnacity

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Bologna

Total population

386,663

Air quality index

83Moderate
Elevation54 m
Land area140.86 km²
Coordinates44.49°, 11.34°

Demographic figures from ISTAT. Overview below cites Wikipedia and may reference a different year.

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City facts

Elevation
54 m
Area
140.86 km²
head of government
Matteo Lepore
Official website
www.comune.bologna.it

Facts from Wikidata (CC0).

Overview

Bologna is the capital and largest city of the Emilia-Romagna region in northern Italy. It is the seventh most populous city in Italy, with 390,734 inhabitants and 150 different nationalities. Its metropolitan province is home to more than 1 million people as of 2025. Bologna is most famous for being the home to the oldest university in continuous operation, the University of Bologna, established in AD 1088.

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History & geography

History

Traces of human habitation in the area of Bologna go back to the 3rd millennium BCE, with significant settlements from about the 9th century BCE (Villanovan culture). The influence of Etruscan civilization reached the area in the 7th to 6th centuries, and the Etruscan city of Felsina was established at the site of Bologna by the end of the 6th century. By the 4th century BCE, the site was occupied by the Gaulish Boii, and it became a Roman colony and municipium with the name of Bonōnia in 196 BCE. During the waning years of the Western Roman Empire Bologna was repeatedly sacked by the Goths. It is in this period that legendary Bishop Petronius, according to ancient chronicles, rebuilt the ruined town and founded the basilica of Saint Stephen. Petronius is still revered as the patron saint of Bologna. In 727–728, the city was sacked and captured by the Lombards under King Liutprand, becoming part of that kingdom. These Germanic conquerors built an important new quarter, called addizione longobarda (Italian meaning 'Longobard addition') near the complex of St. Stephen. In the last quarter of the 8th century, Charlemagne, at the request of Pope Adrian I, invaded the Lombard Kingdom, causing its eventual demise. Occupied by Frankish troops in 774 on behalf of the papacy, Bologna remained under imperial authority and prospered as a frontier mark of the Carolingian Empire. Bologna was the center of a revived study of law, including the scholar Irnerius ( – after 1125) and his famous students, the Four Doctors of Bologna. Bologna boasts of having one of the oldest universities in the western world (University of Bologna), with a continuous operation since 1088, and the first university in the sense of a higher-learning and degree-awarding institute. The medical school was…

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Excerpted from the corresponding Wikipedia article (CC BY-SA).

Geography

Latitude
44.4938
Longitude
11.3426
Water area
View on OpenStreetMap

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Climate

Air quality

US AQI — Moderate
83
PM2.5 (µg/m³)
9
PM10 (µg/m³)
13.4
Ozone (µg/m³)
98
NO₂ (µg/m³)
6.1

Current readings from Open-Meteo Air Quality API (Copernicus CAMS European reanalysis).

Walkability

Amenities nearby

Wildlife & biodiversity

Earthquake history

Quakes ≥ 2.5 (25 yrs, 62 mi)
797
Largest magnitude
6
Largest event
2012-05-20

Most recent

Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).

Photos

Sights & places nearby

Notable people from here

People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.

Geography & sun

Avg solar (kWh/m²/day)
3.94
Annual solar (kWh/m²)
1,438

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Nearby airports

Public attention

Wikipedia views (last 30 days)
47,285
Avg daily Wikipedia views
1,576
Attention level
Popular

Pageview totals from the Wikimedia Pageviews API.

Books about Bologna

Search results from Open Library.

Recent natural events nearby

Ground air-quality sensors

Recently spotted species

Events

Official Identifiers

ISTAT — Italian National Institute of Statistics

ISTAT code
037006
Province
Bologna (BO)
Region
Emilia-Romagna
NUTS3 (2024)
ITH55
Codice catastale
A944
Province capital
Yes

Elenco comuni italiani (CC BY 3.0 IT)

Sources

  • Wikipedia
  • Wikidata
  • Open-Meteo Air Quality (CAMS)
  • USGS Earthquake Catalog (global feed)
  • Open-Meteo / sunrise-sunset.org
  • Wikipedia Pageviews API
  • Open Library
  • ISTAT — Italian national statistics (Elenco comuni italiani), via istat.it (official ISTAT code, province, region, NUTS3, codice catastale)
  • ISTAT — Italian National Institute of Statistics — Elenco comuni italiani (CC BY 3.0 IT)