Carrefour operates mainly in the European Union , Brazil , Argentina and Colombia , but also has shops in North Africa and Asia . Carrefour means cross-road in French .
Carrefour Bairro , Carrefour Express , Carrefour Market ( Formerly Champion as of 2008 ) , Champion Mapinomovaoe , Globi , GB , GS , Carrefour mini , Gima .