16 from 8 nations were the competitors in Australian Open . The sport has the official site www.hardrock100.com . Australia) were the venues of Australian Open . 5 September 1971 is when Australian Open was established  . ,August 27, 2017  – August 29, 2017  (rhythmic) was when it was held . 12 were the number of teams who competed in Australian Open . The no. of events in sport was 8
9 games were held in Australian Open