Gwinnett Center facilities include 21,600 square feet of ballroom space and an amazing 13,000 seat arena, Gwinnett Center is more than a great alternative to downtown Atlanta. It's the right environment for a world of possibilities. For trade shows, conventions and banquets, our 50,000 square foot Exhibit Hall is the heart of the Convention Center. The elegant Grand Ballroom provides additional exhibit and break out space. 1,000 people in a banquet setting or a major trade show are equally at home in the Grand Ballroom.