Lorrain = lorraineLorraine ( French pronunciation: [the Un]; Lorrain: Lourene; Lorraine Franconian: Lottringe; German: about this sound Lorena ( help · Info ) ) It is one of the 27 regions of France. The administrative region has two cities of equal importance: Metz, Nancy and the regional Prefecture. The name of Lorraine is derived from the medieval realm separated from Lotharingia, which in turn was named for Charlemagne, grandson ' s Lothair I, who was the first King of Lorraine.