Carrefour S.A. is a French multinational retailer headquartered in Boulogne Billancourt, France, in Greater Paris. It is one of the largest hypermarket chains in the world , the second largest retail group in the world in terms of revenue , and the third in profit . Carrefour operates mainly in Europe, Argentina, Brazil, China, Dominican Republic, United Arab Emirates, Qatar and Saudi Arabia, but also has shops in North Africa and other parts of Asia, with most stores being of smaller size than hypermarket or even supermarket. Carrefour means "crossroads" and "public square" in French. Previously the company head office was in Levallois-Perret, also in Greater Paris.