Desvres is a commune in the Pas-de-Calais department in northern France. It is a market town, known for its pottery. In 2018 its populati…Desvres is a commune in the Pas-de-Calais department in northern France. It is a market town, known for its pottery. In 2018 its population was 4,930 inhabitants. It is the seat of the canton of Desvres.