The canton of Auch-North-West is a administrative division French located in the department of the Gers and the area the Midday-Pyrenees.
|- | Auch || align=" right" | 21 838 (1) || align=" right" | 32000 || align=" right" | 32013 |- | Castin || align=" right" | 261 || align=" right" | 32810 || align=" right" | 32091 |- | Duran || align=" right" | 665 || align=" right" | 32810 || align=" right" | 32117 |- | Mirepoix || align=" right" | 171 || align=" right" | 32390 || align=" right" | 32258 |- | Montaut-the-Crenels || align=" right" | 618 || align=" right" | 32810 || align=" right" | 32279 |- | Preignan || align=" right" | 961 || align=" right" | 32810 || align=" right" | 32331 |- | Roquelaure || align=" right" | 454 || align=" right" | 32810 || align=" right" | 32348 |- | Holy-Christie || align=" right" | 418 || align=" right" | 32390 || align=" right" | 32368 |} (1) fraction of commune.
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