AsiaWorld–Expo, a major convention and exhibition facility in Hong Kong, has been one of the busiest venues in the city. The halls in the venue have been used for various entertainment events after its grand opening on 25 December 2005. It houses the AsiaWorld–Arena, the biggest purpose-built indoor seated entertainment arena in Hong Kong with a maximum capacity of 14,000. Viva (stylised in all uppercase), a combination of hall 8 and 10 of the AsiaWorld–Expo which is commonly and simply referred to as AsiaWorld–Expo Hall 10, is a smaller venue that has also been frequently used for concert events.