Yes, I'm pretty sure that when they talk about Geneve French zone they mean the airport, which has a French sector. You might find help at the airport Web site . My parents needed to return a leased car there (French sector) two years ago, and they said it was confusing; they needed to return it to an unmarked spot. The site shows rental offices in the French sector, so I expect that if you're picking the car up there, they can direct you to the car. The brands shown are Avis, National, Europcar, and Hertz; you can compare their prices but make sure it's a valid comparison in terms of what taxes and insurance are included.

Andrew Missouri