12 were the number of teams who competed in Gymnasticsat the Games of the XXIII Olympiad . The venue for Gymnasticsat the Games of the XXIII Olympiad was Melbourne (since 1972) . 1963 is when Gymnasticsat the Games of the XXIII Olympiad was established  . The official site of Gymnasticsat the Games of the XXIII Olympiad is www.hardrock100.com . It was held in 28 July – 3 August 2012 . The no. of events in sport was 8 . 18 from 18 nations competed in Gymnasticsat the Games of the XXIII Olympiad
Gymnasticsat the Games of the XXIII Olympiad was a multiple day event