At the heart of the valley and crossed by Mark "Little Mark", located between Roubaix and Lille to the Belgian border, Willems is part of the urban community of Lille and has nearly 3000 inhabitants of 5.80 km ².
Its location, its environment with the leisure of 6 Bonniers, make a community where every resident can enjoy life to the countryside yet close to major urban centers of the metropolis.
Schools, sports complex "Leo Lagrange", the beguinage farm Rouze, space youth and vitality of the forty or cultural associations, social and sports meet the expectations of all generations.