How big is 401 dunams?
It's about four-and-a-half times as big as Alcatraz
The size of Alcatraz is about 89 dunams.
(a.k.a. The Rock) (California)
Alcatraz Island measures 89 dunams. It is known a part of the Golden Gate National Recreation Area, and has historically served as a lighthouse, fort, military prison, and — most famously — a federal prison.
It's about one-fifth as big as Monaco
The size of Monaco is about 2,080 dunams.
(a.k.a. the Principality of Monaco, a.k.a. Principauté de Monaco, a.k.a. Principatu de Múnegu)
One of the smallest nations in the world, Monaco is a city-state located on the French border of the Mediterranean Sea, which measures 2,080 dunams in total area.
It's about five times as big as Buckingham Palace
The size of Buckingham Palace is about 77 dunams.
(a.k.a. Buckingham House) (Westminster, London, England)
Buckingham Palace, the official residence of the British monarch, contains about 77 dunams of total floor space. The palace was first inhabited by Queen Victoria in 1831, although after the death of her husband in 1861, the Queen endeavored to spend as little time there as public opinion would allow.
It's about six times as big as Croke Park
The size of Croke Park is about 65 dunams.
(a.k.a. Páirc an Chrócaigh) (Dublin, Leinster, Ireland) (stadium area)
It's about seven-and-a-half times as big as Windsor Castle
The size of Windsor Castle is about 53 dunams.
(Windsor, England) (total site area)
It's about eight times as big as Rogers Centre
The size of Rogers Centre is about 51.40 dunams.
(f.k.a. Skydome) (Toronto, Ontario, Canada) (entire complex)
Rogers Centre, a major sports stadium in downtown Toronto, measures a total of 51.40 dunams over the entire complex. The video board of Rogers Centre has a total area of 0.340 dunams.
It's about eight times as big as a Polo field
The size of a Polo field is about 50.16764160 dunams.
(for field polo) (United States Polo Association rules; unboarded side maximum)
An outdoor polo field must measure 274.32 m in length and 146.304 m to in width for a total playing area of up to 50.16764160 dunams. Polo traces its origins to an Iranian (then Persian) war game from the 5th Century, which was played with as many as 100 players per side.
It's about one-tenth as big as Central Park
The size of Central Park is about 3,410 dunams.
(Manhattan, New York City, New York)
The most visited park in the country, Central Park has an area of 3,410 dunams. According to a 2005 appraisal, the real estate value of the Park's land is $528,783,552,000.
It's about ten times as big as The Philippine Arena
The size of The Philippine Arena is about 40 dunams.
(Ciudad De Victoria, Bocaue - Bulacan, Philippines) (total footprint)
The largest indoor arena in the world, the multi-use Philippine Area has a total footprint of 40 dunams, with the dome itself occupying 36 dunams. The floor the arena contains over 9,000 tons of steel.
It's about ten times as big as The Principality Stadium
The size of The Principality Stadium is about 40 dunams.
(a.k.a. Stadiwm Principality, f.k.a. Millennium Stadium, f.k.a. Stadiwm y Mileniwm) (Cardiff, Wales, United Kingdom) (total footprint)
The 70,000-person-plus capacity stadium of Cardiff, Principality Stadium has a total footprint of 40 dunams. Over 40,000 tonnes of concrete and steel during the construction of the stadium.
It's about one-tenth as big as Ninoy Aquino International Airport (MNL)
The size of Ninoy Aquino International Airport (MNL) is about 4,400 dunams.
(a.k.a. Paliparang Pandaigdig ng Ninoy Aquino, a.k.a. Manila International Airport, a.k.a. Nichols Field) (Manila, NCR, Philippines) (total site area)
Ninoy Aquino International Airport covers a total area of 4,400 dunams, including four terminals. The total length of the airport's two runways is 5,995 m.
It's about eleven times as big as Federation Square
The size of Federation Square is about 38 dunams.
(Melbourne, Victoria, Australia)
Federation Square, the large public square in the city center of Melbourne, measures 38 dunams. The main portion of the square is floored with sandstone blocks from Western Australia.
It's about twelve-and-a-half times as big as The Lincoln Memorial Reflecting Pool
The size of The Lincoln Memorial Reflecting Pool is about 31.50 dunams.
(Washington, D.C.) (pool surface area)
The Lincoln Memorial Reflecting Pool has a water surface area of 31.50 dunams. The Pool has a sloping bottom and extends to 80 cm (30 in) in depth at its center.
It's about one-fifteenth as big as Chennai International Airport (MAA)
The size of Chennai International Airport (MAA) is about 5,354 dunams.
(f.k.a. Madras Airport) (Chennai City, Tamil Nadu, India) (total land area)
Chennai International Airport covers a total area of about 5,354 dunams, including four terminals and other outbuildings. The airport offers a total of 6,587 m runway length between its two main runways.
It's about one-fifteenth as big as Gibraltar
The size of Gibraltar is about 6,500 dunams.
(British overseas territory) (total area)
The British overseas territory Gibraltar is located at the southern tip of Spain overlooking the Mediterranean Sea at the Strait of Gibraltar and measures of 6,500 dunams in total area. It is renowned as the home of the Rock of Gibraltar (a.k.a. Calpe, a.k.a. Jabal al Tariq), a well-known tourist attraction.