Archaeological Area and the Patriarchal Basilica of Aquileia


World Heritage Identification Number: 825

World Heritage since: 1998

Category: Cultural Heritage

Transboundary Heritage: No

Endangered Heritage: No

Country: 🇮🇹 Italy

Continent: Europe

UNESCO World Region: Europe and North America

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The Archaeological Area and the Patriarchal Basilica of Aquileia: A Unique Blend of History and Art

The Archaeological Area and the Patriarchal Basilica of Aquileia, located in the Friuli-Venezia Giulia region of northeastern Italy, is a remarkable testament to the rich history and cultural heritage of the Roman Empire. Inscribed as a UNESCO World Heritage Site in 1998, this site offers a unique blend of archaeology, architecture, and art that captivates visitors from around the world.

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UNESCO Description of the World Heritage Site

Aquileia (in Friuli-Venezia Giulia), one of the largest and wealthiest cities of the Early Roman Empire, was destroyed by Attila in the mid-5th century. Most of it still lies unexcavated beneath the fields, and as such it constitutes the greatest archaeological reserve of its kind. The patriarchal basilica, an outstanding building with an exceptional mosaic pavement, played a key role in the evangelization of a large region of central Europe.

UNESCO Justification of the World Heritage Site

Criterion iii: Aquileia was one of the largest and most wealthy cities of the Early Roman Empire. Criterion iv: By virtue of the fact that most of ancient Aquileia survives intact and unexcavated, it is the most complete example of an Early Roman city in the Mediterranean world. Criterion vi: The Patriarchal Basilican Complex in Aquileia played a decisive role in the spread of Christianity into central Europe in the early Middle Ages.

Encyclopedia Record: Aquileia

Aquileia is a comune (municipality) in the Friuli-Venezia Giulia region of northeastern Italy. It is situated at the head of the Adriatic at the edge of the lagoons, about 10 kilometres (6 mi) from the sea, on the river Natiso, the course of which has changed somewhat since the Roman era.

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Additional Site Details

Area: 155.43 hectares

UNESCO Criteria: (iii) — Unique or exceptional testimony to a cultural tradition
(iv) — Outstanding example of a type of building or landscape
(vi) — Directly associated with events or living traditions

Coordinates: 45.76833333 , 13.3675

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Country Information: Italy

Flag of Italy

Official Name: Italian Republic

Capital: Rome

Continent: Europe

Population (2024): 58,986,023

Population (2023): 58,993,475

Population (2022): 59,013,667

Land Area: 295,720 sq km

Currency: Euro (EUR)

Country Data Sources

Last updated: January 18, 2026

Portions of the page Archaeological Area and the Patriarchal Basilica of Aquileia are based on data from UNESCO — World Heritage List Dataset and on text from the Wikipedia article Aquileia, licensed under CC BY-SA 4.0. Changes made. Additional original content by World Heritage Explorer (WHE), licensed under CC BY-SA 4.0. WHE is not affiliated with UNESCO or the World Heritage Committee. Legal Notice. Privacy Policy.

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