Aachen Cathedral


World Heritage Identification Number: 3

World Heritage since: 1978

Category: Cultural Heritage

Transboundary Heritage: No

Endangered Heritage: No

Country: 🇩🇪 Germany

Continent: Europe

UNESCO World Region: Europe and North America

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Aachen Cathedral: The Imperial Palace Chapel of Charlemagne

Aachen Cathedral, officially known as the Basilica of St. Mary and St. Martin, is a significant historical and architectural landmark located in the heart of Aachen, Germany. This magnificent edifice, which serves as the cathedral of the Diocese of Aachen, has been a place of pilgrimage and spiritual significance for over a thousand years. Inscribed as a UNESCO World Heritage Site in 1978, Aachen Cathedral stands as a testament to the rich history and cultural heritage of Europe.

The origins of Aachen Cathedral can be traced back to the late eighth century when Emperor Charlemagne, also known as Karl der Grosse or Charles the Great, initiated the construction of a palatine chapel around 790-800 AD. Inspired by the churches of the Eastern part of the Holy Roman Empire, Charlemagne sought to create a grand imperial palace chapel that would reflect his power and prestige. The original structure consisted of an octagonal basilica and a cupola, which were designed to evoke the architectural styles prevalent in the Byzantine Empire.

Charlemagne's vision for Aachen Cathedral was not limited to its initial construction. Over the centuries, the cathedral underwent numerous expansions and renovations during the Middle Ages. These additions included the addition of two western towers, the construction of the choir, and the creation of the crypt. The result was a harmonious blend of various architectural styles, ranging from Romanesque to Gothic, that continues to captivate visitors to this day.

One of the most striking features of Aachen Cathedral is its impressive dome, which is adorned with gold leaf and intricate mosaics. Measuring nearly 31.40 meters in height, the dome is supported by four massive pillars, each of which is decorated with elaborate carvings and sculptures. The interior of the cathedral is equally breathtaking, with its soaring arches, colorful frescoes, and ornate altars.

Throughout its long history, Aachen Cathedral has played a pivotal role in German and European history. It served as the site of numerous royal coronations, including those of Charlemagne himself, as well as Otto the Great, Henry III, and Sigismund. Additionally, the cathedral has been a place of pilgrimage for countless individuals seeking healing and spiritual guidance.

Despite the passage of time and the many challenges faced by Aachen Cathedral, it remains a vibrant and active center of worship and cultural heritage. Today, the cathedral welcomes thousands of visitors each year, who come to marvel at its architectural beauty, historical significance, and enduring spiritual importance. As a UNESCO World Heritage Site, Aachen Cathedral stands as a symbol of the rich cultural legacy that we have inherited from the past and continue to cherish in the present.

UNESCO Description of the World Heritage Site

Construction of this palatine chapel, with its octagonal basilica and cupola, began c. 790–800 under the Emperor Charlemagne. Originally inspired by the churches of the Eastern part of the Holy Roman Empire, it was splendidly enlarged in the Middle Ages.

Encyclopedia Record: Aachen Cathedral

Aachen Cathedral is a Catholic church in Aachen, Germany and the cathedral of the Diocese of Aachen.

Read more on Wikipedia

Additional Site Details

Area: 0.2 hectares

UNESCO Criteria: (i) — Masterpiece of human creative genius
(ii) — Significant interchange of human values
(iv) — Outstanding example of a type of building or landscape
(vi) — Directly associated with events or living traditions

Coordinates: 50.7747468537 , 6.083919968

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Image of Aachen Cathedral

© CEphoto, Uwe Aranas, CC BY-SA 3.0 Resized from original. (This derivative is under the same CC BY-SA license.)

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Country Information: Germany

Flag of Germany

Official Name: Federal Republic of Germany

Capital: Berlin

Continent: Europe

Population (2024): 83,510,950

Population (2023): 83,901,923

Population (2022): 83,797,985

Land Area: 349,390 sq km

Currency: Euro (EUR)

Country Data Sources

Last updated: January 18, 2026

Portions of the page Aachen Cathedral are based on data from UNESCO — World Heritage List Dataset and on text from the Wikipedia article Aachen Cathedral, 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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