Location
Artois occupies the interior of the Pas-de-Calais département, the western part of which constitutes the former Boulonnais. Artois roughly corresponds to the arrondissements of Arras, Béthune, Saint Omer, and Lens, and the eastern part of the arrondissement of Montreuil. It occupies the western end of the coalfield which stretches eastward through the neighbouring Nord département and across central Belgium.
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