As of 2026-08-01, Fraxinetum tops the list with 300,000,000,000 m2.
- #1 Fraxinetum — 300,000,000,000 m2
Fort site in southern France
Fraxinetum or Fraxinet was the site of a Muslim stronghold at the centre of a frontier state in Provence between about 887 and 972. It is identified with modern La Garde-Freinet, near Saint-Tropez. The fortress was established by Muslims from al-Andalus. From this base, the Muslims raided up the Rhône Valley, into Piedmont and as far as the Abbey of Saint Gall in Switzerland. Their main business was slave-raiding of Europeans for export to Islamic markets. For a time, they controlled the... Read more on Wikipedia.
Wikidata - #2 Kajuru Castle — 1,035,995,244 m2
Castle in Kaduna State, Nigeria
Kajuru Castle is a luxury villa, built between the years 1981 and 1989, at Kajuru (Ajure) village in southern Kaduna State, Nigeria. It was built by a German expatriate in Nigeria, living in Kaduna at the time. Read more on Wikipedia.
Wikidata - #3 Takht-e Soleyman — 74,380,000 m2
archaeological site in Takab County, Iranian national heritage site
Takht-e Soleymān is an archaeological site in West Azerbaijan, Iran dating back to the Sasanian Empire. It lies midway between Urmia and Hamadan, very near the present-day town of Takab, and 400 km (250 mi) west of Tehran. Read more on Wikipedia.
Wikidata - #4 Qal'eh Dokhtar — 46,940,000 m2
castle in Firuzabad County, Iranian national heritage site
Qal'eh Dokhtar, Ghale Dokhtar, Dokhtar Castle or Dezh Dokhtar is a castle built by Ardashir I in present-day Fars, Iran, in 209 AD. It is located on a mountain slope near the route connecting the cities of Firuzabad and Kavar. It is important in the field of Sasanian archaeology and is one of the eight designated UNESCO World Heritage Sites of the Sassanid Archaeological Landscape of Fars Region. Read more on Wikipedia.
Wikidata - #5 Neuschwanstein Castle — 21,140,000 m2
castle in Bavaria, Germany, Europe
Neuschwanstein Castle is a 19th-century historicist palace on a rugged hill of the foothills of the Alps in the very south of Germany, near the border with Austria. It is located in the Swabia region of Bavaria, in the municipality of Schwangau, above the incorporated village of Hohenschwangau, which is also the location of Hohenschwangau Castle. The closest larger town is Füssen. The castle stands above the narrow gorge of the Pöllat stream, east of the Alpsee and Schwansee lakes, close to... Read more on Wikipedia.
Wikidata - #6 Alnwick Castle — 15,122,400 m2
castle and stately home in Alnwick, Northumberland, England, UK; seat of the Duke of Northumberland, England, UK
Alnwick Castle is a castle and country house in Alnwick in the English county of Northumberland. It is the seat of the 12th Duke of Northumberland, built following the Norman Conquest and renovated and remodelled several times. It is a Grade I listed building now the home of Ralph Percy, 12th Duke of Northumberland and his family. In 2016, the castle received over 600,000 visitors per year when combined with adjacent attraction the Alnwick Garden. Read more on Wikipedia.
Wikidata - #7 Castle of Racconigi — 14,643,500 m2
Castle in Racconigi, Cuneo, Italy
Racconigi Castle is a palace and landscape park in Racconigi, province of Cuneo, Italy. It was the official residence of the Carignano line of the House of Savoy, and is one of the Residences of the Royal House of Savoy included by UNESCO in the World Heritage Sites list. Read more on Wikipedia.
Wikidata - #8 Hara Castle — 11,843,900 m2
castle in Hizen Province, Japan
The Hara Castle was a Sengoku period Japanese castle cemetery located in the Minami-Arima neighbourhood of city of Minamishimabara, Nagasaki Prefecture Japan. Its ruins were designated a National Historic Site of Japan in 1938. Read more on Wikipedia.
Wikidata - #9 Namhansanseong — 8,537,100 m2
fortress in Korea
Namhansanseong is a historic Korean fortress city in Gwangju, Gyeonggi Province, South Korea. A UNESCO World Heritage Site, the fortress lies atop the mountain Namhansan and stretches 12 km in length. It served as an emergency capital city during the 1392–1910 Joseon period. The design is based on fortress architecture of East Asia, embodying aspects of four historical cultural styles: Joseon of Korea, the Azuchi-Momoyama Period of Japan, and Ming and Qing China. Read more on Wikipedia.
Wikidata - #10 Hagi Castle — 7,123,100 m2
Japanese castle in Hagi, Yamaguchi prefecture
Hagi Castle is a Japanese castle located in the city of Hagi, Yamaguchi Prefecture, in the San'yō region of Japan. Built in 1604 at the beginning of the Edo period as the main castle of the Mōri clan, it served as the seat of the Chōshū Domain for over 250 years until 1863. It was demolished in 1874 shortly after the Meiji Restoration. Its ruins were designated a National Historic Site in 1924. Hagi Castle has been designed as a component of the Sites of Japan's Meiji Industrial... Read more on Wikipedia.
Wikidata