The ICC Convention Centre Sydney at The International Convention Centre Sydney (ICC Sydney), Australia. The ICC is an exhibition, entertainment and convention venue which opened in December 2016, at Darling Harbour, Sydney, New South Wales, Australia. ICC Sydney consists of three joined buildings: to the south is the ICC Sydney Theatre, in the centre is the ICC Sydney Exhibition Centre and to the north overlooking Cockle Bay is the ICC Convention Centre Sydney. It was designed by two architectural firms, Hassell and Populous. It replaced the former Sydney Convention and Exhibition Centre and also the Sydney Entertainment Centre. Construction began in 2014. The ICC forms Australia's largest integrated convention, exhibition and entertainment centre. The first major event held at the newly developed centre was held on 4 February 2017.