Saint-Louis (French pronunciation: [sɛ̃ lwi] ⓘ; Alsatian: Sä-Louis; German: Sankt Ludwig)[citation needed] is a commune in the Haut-Rhin department in Alsace in north-eastern France.

In 1679, therefore, as part of a deliberation proclamation of his continued expansion policy on the Upper Rhine (which included the capture of Colmar in 1673, the defeat of imperial and Palatine troops at Türckheim, the plundering of the town in 1675, and the Treaties of Nijmegen in 1679), Louis XIV ordered the construction of Hüningen Fortress at this strategic point.

The occupants of the place, the fishing village of Hüningen, had to leave to make way for this military fortification, the construction of which was carried out by fortress architect, Vauban in 1680.

On 26 November 1684 — around 3 years after the high point of France's policy of annexation or politique des Réunions — the capture of Strasbourg - the town was officially named by Louis XIV.

On 30 October 2000 the community association of Communauté de communes des Trois Frontières was formed in Saint-Louis where it also has its head office.

[13] Maternelles (preschools) include Louis Armand, Baerenfels, Octavie Krafft, Nussbaum, Petite Camargue, Jules Verne, and Wallart.