The footprint of the site is 28,900 square metres (2.89 ha) (approx 7 acres), and includes a large foyer area, a 2,680-square-metre (28,800 sq ft) event arena, seven function rooms, car parking, logistic facilities and administrative offices.
The arena is the largest auditorium in South Australia.

The centre it is capable of operating in several different modes, including an 'intimate' mode (2,000–4,500 patrons), end stage mode (4,500–7,500 patrons) and '360-degree' mode.
With a general admission floor and Corporate-level seating, the maximum capacity of the AEC of 11,300, making it the third-largest permanent indoor arena in Australia behind Sydney's Qudos Bank Arena (21,032) and the Brisbane Entertainment Centre (14,500), and the fifth-largest Australian arena behind the Sydney Super Dome (Qudos), Melbourne's Rod Laver Arena (16,200), the Perth Arena (14,856) and the Brisbane Entertainment Centre (both the Rod Laver and Perth arenas are retractable roof venues).

The AEC has a complete in-house catering operation that provides for audience food and beverage requirements, as well as banquet, function, seminar, tradeshow, corporate suites and backstage requirements.
The AEC also provides corporate hospitality in the form of 31 suites that are leased on a 2–5-year basis.
The footprint of the site is 28,900 square metres (2.89 ha) (approx 7 acres), and includes a large foyer area, a 2,680-square-metre (28,800 sq ft) event arena, seven function rooms, car parking, logistic facilities and administrative offices. The arena is the largest auditorium in South Australia.
The centre it is capable of operating in several different modes, including an 'intimate' mode (2,000–4,500 patrons), end stage mode (4,500–7,500 patrons) and '360-degree' mode. With a general admission floor and Corporate-level seating, the maximum capacity of the AEC of 11,300, making it the third-largest permanent indoor arena in Australia behind Sydney's Qudos Bank Arena (21,032) and the Brisbane Entertainment Centre (14,500), and the fifth-largest Australian arena behind the Sydney Super Dome (Qudos), Melbourne's Rod Laver Arena (16,200), the Perth Arena (14,856) and the Brisbane Entertainment Centre (both the Rod Laver and Perth arenas are retractable roof venues).
The AEC has a complete in-house catering operation that provides for audience food and beverage requirements, as well as banquet, function, seminar, tradeshow, corporate suites and backstage requirements. The AEC also provides corporate hospitality in the form of 31 suites that are leased on a 2–5-year basis.
Adelaide Entertainment Centre