Saint-Genis-Laval is a commune in the metropolis of Lyon in the Auvergne-Rhône-Alpes region of eastern France. The Lyon Observatory is located in this commune.
Wikipedia https://en.wikipedia.org/wiki/Saint-Genis-Laval
Official Website http://www.saintgenislaval.fr/
Coordinates 45°41'42.008" N 4°47'34.378" E
