Clairefontaine-en-Yvelines is a commune in the Yvelines department in the Île-de-France region in north-central France. It is the base of the Clairefontaine French football academy.
Wikipedia https://en.wikipedia.org/wiki/Clairefontaine-en-Yvelines
Coordinates 48°36'40.525" N 1°54'47.448" E
