Anvin is a commune in the Pas-de-Calais department in northern France. Anvin is a farming village located in the Ternoise river valley, 28 mile…Anvin is a commune in the Pas-de-Calais department in northern France. Anvin is a farming village located in the Ternoise river valley, 28 miles northwest of Arras, at the junction of the D343, D70 and D94 roads.