High Quality Content by WIKIPEDIA articles! Sailly-Labourse is a commune in the Pas-de-Calais department in the Nord-Pas-de-Calais region of France.Sailly-Labourse is a large farming and light industrial village situated some 3 miles (4.8 km) southeast of Béthune and 24 miles (38.6 km) southwest of Lille, at the junction of the D943 and D65 roads. Inhabited since prehistoric times, the Pas-de-Calais region was populated in turn by the Celtic Belgae, the Romans, the Germanic Franks and the Alemanni.