12 teams competed in Australian Open . 5 September 1971 is when Australian Open was established  . 16 from 8 nations competed in Australian Open . The venue for Australian Open was Australia) . The no. of events in sport was 8 . ,August 27, 2017  – August 29, 2017  (rhythmic) was when it was held . The official site of Australian Open is www.hardrock100.com
Less than 7 nations participated in the event