Achères (French pronunciation: [aʃɛʁ] ⓘ) is a commune in the Yvelines department in north-central France.

The commune of Achères lies on the south bank of the Seine in a loop of the river, on the edge of the Forest of Saint-Germain-en-Laye.

It borders Saint-Germain-en-Laye and Poissy on the south, Andrésy and Carrières-sous-Poissy on the west, Conflans-Sainte-Honorine and Herblay on the north, and Maisons-Laffitte and La Frette-sur-Seine on the east.

Between 18 December 1898 and 29 April 1899 the first six world land speed records were set in Achères, as Gaston de Chasseloup-Laubat and Camille Jenatzy alternately raised the world record speed from 39.245 miles per hour (63.159 km/h) to 65.792 miles per hour (105.882 km/h).

[3] Gaston de Chasseloup-Laubat drove his electric powered Jeantaud, while Camille Jenatzy used the electric car, built by the de: Compagnie Générale des Transports Automobiles (CITA), Nº 25, La Jamais Contente, the first purpose-designed land speed racer,[4] and set the first record over 100 km/h (60 mph).