Géant Casino (ʒeɑ̃ kɑzino) is a hypermarket chain and based in Saint-Étienne, France, and part of the French retailing giant Groupe Casino. In April 2014, it had 111 stores in France. ==History== Géant was opened its first hypermarket in 1970. In June 2013, Géant Casino had about 130 hypermarkets all over the world. The concept is, like mo...