Lyon–Saint Exupéry Airport, formerly known as Lyon Satolas Airport, is the international airport of Lyon, the third-biggest city in France and an important transport facility for the entire Auvergne-Rhône-Alpes region. It lies in Colombier-Saugnieu, 11 nautical miles southeast of Lyon's city centre. The airport is 30 minutes from the Lyon-Part-Dieu business district by the Rhônexpress tram.