37 from 31 nations were the competitors in Gymnasticsat the Games of the XXIII Olympiad . It was held in 7–21 August 2016 . The sport has the official site chicagomarathon.com . 12 (from 4 confederations) were the number of teams who competed in Gymnasticsat the Games of the XXIII Olympiad . London and Surrey were the venues of Gymnasticsat the Games of the XXIII Olympiad . The no. of events in sport was 14 . 1963 is when Gymnasticsat the Games of the XXIII Olympiad was established 
The number of squad in the sport Gymnasticsat the Games of the XXIII Olympiad is 15