LIX is situated in the campus of the École polytechnique, in the southern suburbs of Paris. It occupies half of the Alan Turing building on the campus, and also has some offices in the 0-wing (aile 0) of the main research laboratory building of the École polytechnique.
The postal address for LIX is the following:
LIX - UMR 7161
1 rue Honoré d'Estienne d'Orves
Bâtiment Alan Turing
Campus de l'École Polytechnique