Flexible to fit events of all types and sizes. A small meeting of 10, to a concert of 17,000! Catch Iowa’s Largest Ballroom! 37 meeting rooms. 150,000-square foot expo hall, divisible by 3. Tax-Exempt convention center! 17,000-seat arena. 1,900 hotel rooms within one mile. Skywalk access to hotels, restaurants and nightlife. Easily accessible from the Interstate & Airport.