Top 10 Biggest Rooms In The World


We’re counting down the top 10 biggest rooms in the world; even though, it is difficult to ascertain and verified the biggest rooms in the whole world, however, this article is meant

to focus on the types of rooms in a building that are considered the biggest in any part of the world. According to the research conducted and with the help of reliable sources across the globe, we’re able to come up with genuine information about rooms that are regarded as the biggest you can find anywhere in the world. Moreover, it is important to understand that this article may include rooms not only found in residential houses, but also including offices, factories schools, commercial areas, sports world, and more. Find out below, the 10 of the biggest rooms in the world.


10. NASA Vehicle Assembly Building (32,374 m²) – USA

NASA Vehicle Assembly Building

Located in Brevard County, Florida, United States; the NASA vehicle assembling building is a place originally built to enable simultaneous assembly and shelter for four Saturn V rockets. If you’re looking for one of the biggest room in the world and you find yourselves in this area, then be thankful for your stars because you are actually at the right place. The NASA vehicle assembly building has a total floor area of 32, 374 m2. 

9. Meyer Werft Dockhalle 2 (63,000 m²) – Germany

Meyer Werft Dockhalle 2

The Meyer Werft is located at Papenburg, Niedersachsen in Germany, and has made it onto this list because of it size – both in floor area and volume. This place functions as a dry dock for the construction of cruise ships and has a total floor area of 63,000 m2 to accommodate a huge number of people and construction materials. 

8. Austal USA (68,250 m2) – USA

Austal USA Top 10 Biggest Rooms In The World

The number 8 on our list of the top 10 biggest rooms in the world is no other but “Austal”. Austal USA is the American branch of operations for Austal, an Australia-based. The place is one of the biggest rooms you can see in any part of the world; it has large space that can accommodate more 4000 people at once. Its total floor area is 68,250 m2. Austal USA is located at Austal USA’s shipyards along the Mobile River in Mobile, Alabama United States of America. 

7. Aerium (70,000 m²) – Germany

Aerium Biggest Rooms In The World

We have come to the number 7 on the list and Aerium has taken the spot. This place was originally built to house the construction of a giant airship, but has now housed an indoor theme park in Germany, called “Tropical Islands Resort”. Aerium is located at Halbe, Brandenburg, Germany and has a total floor area of 70,000 m2. 

6. Tesco Ireland (80,194 m2) – Ireland

Tesco Ireland Biggest Rooms In The World

Tesco Ireland is the Irish branch of supermarket group “Tesco” and controlled about 28% of the grocery market as of 2012. It is a large grocery distribution center which is located near Dublin. The Tesco Ireland is located at Donabate, Fingal, Republic of Ireland and has a usable total floor area of 80,194 m². 

5. The O2 Arena (104,634 m2) – England

The O2 Arena Biggest Rooms In The World

The 02 Arena is on the 5th spot on our list of the top 10 of the biggest rooms in the world. It is an exhibition centre designed mainly for the millennium but has been converted to an entertainment Arena. The 02 Arena is located at London and has covered a total area of 104,634 m2. This is a place you will enter and feel like you’re out of this world, it is big, large, and whatever word you can describe it, it’s just unique in size and really deserves to be on this list. 

4. Hanover Fairground (114,535 m2) – Germany

Hanover Fairground

The Hanover Fairground is the number 4 on our list of the biggest rooms in the world. This place is located in the Mittefield, Hanover, Germany and is featuring up to 114,535 m2. The area is mainly an exhibition area where it is considered as the largest exhibition ground in the world. 

3. Jean-Luc Lagardère Plant (122,500 m²) – France

Jean-Luc Lagardère Plant Biggest Room

Jean-Luc Lagardère Plant is located at Toulouse-Blagnac, France and it’s a place that serves as the assembly hall of the Airbus A380, the world’s largest airliner. Reports have shown that Jean-Luc Lagardère Plant has a total floor area of 122,500 m2. 

2. Target Import Warehouse (187,664 M²) – USA

Target Import Warehouse

The Target Import Warehouse is unarguably one of these places you will visit and forget where you are, because even the size of the area will get you confused, talk more of the array of products you will be seeing. This place is built to distribute imported goods to internal target distribution centers and is located in Savannah, Georgia, United States of America. The Target Import Warehouse has a total floor area of 187,664 m2. It surely deserves to be on the 2nd spot on the list, because of its size and volume. 

1. Boeing Everett Factory (398,000 m²) – USA

Boeing Everett Factory

The Boeing Everett Factory is not only popular across the globe, but also currently the biggest room in the world. If you know about Boeing aircraft, then you may also have heard or known about its factory. This factory has been known as Boeing’s assembly site for a selection of the company’s largest aircraft, originally built for construction purposes. This place is located in Everett, Washington, United States; and has a floor area of 398,000 m² an equivalent of 4.3 million sq ft.


In conclusion, it is important to understand that, yet, ascertaining the biggest rooms in the world can present a number of challenges. However, what we’ve listed above was culled from the studies conducted by experts across the world and all information provided is genuine and are from reliable sources. Nonetheless, another thing to keep in mind is that this article has only focused on the types of rooms that are considered the biggest in most buildings you can find in any part of the world. Hope this article helps? Thank you for reading!

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