Note 2958 — BOOK IV. AN ACCOUNT OF COUNTRIES, NATIONS, SEAS, TOWNS, HAVENS, MOUNTAINS, RIVERS, DISTANCES, AND PEOPLES WHO NOW EXIST OR FORMERLY EXISTED.
John Bostock translation
D’Anville places them between Calais and Gravellines, in the Pas de Calais, and on the spot now known as the Terre de Marck or Merk.