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The NRG Arena (formerly the Astroarena and Reliant Arena), is a 350000 sqft sports center in NRG Park, in Houston, Texas, USA.

Building format

The main partition on the first floor is the "Arena Proper", a 24,000 gross square foot arena that seats up to 8,500 people.

In addition to the Arena Proper, there are four exhibit halls within the NRG Arena. The largest hall is Exhibit Hall D, boasting 100000 sqft of space. The second is Exhibit

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