Cambrai (Dutch: Kamerijk; old spelling Cambray) is a French town and commune, in the Nord département, of which it is a sous-préfecture.
Cambrai is the seat of an archdiocese whose jurisdiction was immense during the Middle Ages. The territory of the Bishopric of Cambrai, roughly coinciding with the shire of Brabant, included the central part of the Low Countries. The bishopric had some limited secular power.
The Battle of Cambrai (20 November - 3 December 1917), a campaign of World War I took place there. It was noted for the first successful use of tanks. A second Battle of Cambrai took place between 8 October - 10 October 1918 as part of the Hundred Days Offensive.