Lannoy, NordLannoy is a commune in the Nord department in northern France.WWW ville-lannoy.frGeographyWith a land area of only, it is the third-smallest French commune by surface area. It also has the highest density of population of any commune outside of the Île-de-France region, slightly greater than that of the city of Lyon.PeopleLéon Debouverie, politicianJean Piat, actor and writerThe de Lannoy family and the Delano family are both named for the town of Lannoy.