Groupe Auchan SA (French pronunciation: [oʃɑ̃]) is a French international retail group and multinational corporation headquartered in Croix, France. It is one of the world's principal distribution groups with a presence in 12 countries and 269,000 employees.
The company began when Gérard Mulliez opened his first self-service shop in Roubaix in the district of Hauts-Champs - pronounced the same as "Auchan".
Auchan has branches in France, and internationally in Italy, India, Spain, Portugal, Luxembourg, Poland, Hungary, Russia, China, Taiwan, Romania and Ukraine.
As of 2011
, Auchan had 639 hypermarkets and 2,412 supermarkets around the world.