Marquise is a commune in the Pas-de-Calais department in the Hauts-de-France region of France.GeographyMarquise is a farming, quarrying and light industrial town, situated some 10mi northeast of Boulogne, at the junction of the D191, D231 and D238 roads. The river Slack flows through the commune, as too does the A16 autoroute.HistoryPart of the Flemish-speaking territory until 1346, Marquise became an English county under King Edward III after the battle of Crécy and the hexagonal bell-tower goes back to the English period. In 1420, in the suburbs of Marquise, at Leulinghen, the church of which was divided by the French-English border, King Henry V married Princess Katharine, daughter of Charles VI of France. At the end of September and at the beginning of October 2006, Marquise was at the top of current events, on prime time television, when the local gendarmerie retrieved a famous painting by Maurice Boitel, stolen forty years before and taken out of France.Places of interest The church of St.Martin, dating from the thirteenth century. A watermill and manorhouse of the 17th century. The marble quarries. The Commonwealth War Graves Commission cemetery.