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Auch is a city located in the Gers department in the Occitanie region of southwestern France. It is situated on the Gers River, west of Toulouse, the largest city in the region. Southwest France, in the Occitanie region. The capital of the Gers department, Auch proudly sits on a hill overlooking the Gers River. Known for its stunning Gothic Cathedral and the historic Pont Sainte-Marie. Auch offers a blend of Gascon charm, culinary delights, and a picturesque setting.