Herlin-le-Sec (French pronunciation: [ɛʁlɛ̃ lə sɛk]) is a commune in the Pas-de-Calais department in the Hauts-de-France region of France[3] 22 miles (35 km) west of Arras, 2 miles (3 km) south of Saint-Pol-sur-Ternoise.
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