(stapal in Old Dutch), from which word the Old French word Estaples derives. As a port it was part of the administrative and economic complex centred on Montreuil after access from the sea to that town was restricted by silting.

The site of modern Étaples lies on the ridge of dunes which once lay to seaward of a marsh formed off-shore from the chalk plateau of Artois. From the Canche northwards, the dunes tend to extend inland, all the way to the old chalk cliff. It lay