Aulhausen was first mentioned in 1108 as Aulhausen im Rheingau. It lies in Hesse and has about 1200 Inhabitants (2018). From 1970 to 1977 Aulhausen was a district in Assmannshausen. The wine and air recreation town lies in a valley above Assmannshausen. It is separated from Rüdesheim by Niederwald.

Aulhausen as well as Assmannshausen are today part of the municipality of Rüdesheim am Rhein. 100 years before the foundation of Marienhausen craftsmen started building this hamlet. The Agriculture and the wine growing dominated the town character from the end of the 19th to the middle of the 20th.

The biggest employer in Aulhausen is the St. Vincenzstift, a charitable facility for care and support of disabled persons of all ages.