LestremLestrem is a commune in the Pas-de-Calais department in the Hauts-de-France region of France. about north of Béthune and west of Lille by the banks of the Lawe River.HistoryIn 1940 the hamlet of Le Paradis, on the south side of the commune, was the site of the Le Paradis massacre of British troops of the BEF, during the Battle of France.PopulationTwin townThe town is twinned with Swanland in the East Riding of Yorkshire, England.