Outreau is a commune in the Pas-de-Calais department in the Hauts-de-France region of France.GeographyOutreau is a large industrial town and port situated adjacent to, and west of Boulogne, on the N1, N142 and D19 roads. The river Liane forms the eastern border of the commune with Boulogne.HistoryThe town suffered greatly from Allied bombing during World War II. Outreau is notorious throughout France for the Outreau trials of 2001–2004.Places of interest The church of St.Wandrille, dating from the nineteenth century. The sixteenth century manorhouse of La Tour du Renard. The Commonwealth War Graves Commission cemetery. The war memorial, by Augustin Lesieux.Twin towns Eppelborn, Germany.