Andlau is a French commune in the Bas-Rhin department in the Alsace region of northeastern France. The village owes its origin to Andlau Abbey which was founded in 880 by Richardis, the empress of Charles the Fat. Andlau has been a wine-growing centre and traveler destination since its earliest days. The inhabitants of the commune are known as Andlaviens or Andlaviennes.
Andlau is located some 40 km south by south-west of Strasbourg and 20 km north of Selestat. It is a small town in the Canton of Barr located in the valley of the Andlau river in the foothills of the Vosges Mountains. The surroundings of Andlau town are entirely the Vosges, including a summit, the Stosskopf, which attains a height of 700 metres. The surrounding communes include Mittelbergheim to the north-east, Eichhoffen to the east, Bernardvillé to the south, Le Hohwald to the north-west and Barr.
The commune has an area of 23.69 km² and its highest point is towards the northern tip of Niederberg and rises to 807 metres. Access to the commune is by the D62 road from Exit 13 on the A35 autoroute which goes west to the town. There is also the D425 from just north of Eichhoffen going west to the village then continuing west to Le Hohwald. West of the town the commune is entirely forested with an extensive network of forest roads. East of the town there is a small area of farmland.