Alsace-Lorraine is an area along the border between France and Germany.
It is not just a term for the two provinces Alsace and Lorraine taken together; it refers specifically to the parts of them that were amalgamated under German rule 1871-1918. France calls it Alsace-Moselle.
This region article is an extra-hierarchical region, describing a region that does not fit into the hierarchy Wikivoyage uses to organise most articles. These extra articles usually provide only basic information and links to articles in the hierarchy. This article can be expanded if the information is specific to the page; otherwise new text should generally go in the appropriate region or city article.