386 from 138 nations competed in Judoat the Games of the XXXI Olympiad . The no. of events in sport was 14 . It was held in 6–12 August 2016 . The venue for Judoat the Games of the XXXI Olympiad was Carioca Arena 2
Olympic Indoor Hall (artistic and trampoline) was the official place where Judoat the Games of the XXXI Olympiad happened