Stade Bollaert-Delelis (French pronunciation: ​[bɔˈlaʁt]) is the main football stadium in Lens, France, that was built in 1933. It is the home of RC Lens. The stadium's capacity is 41,229 – about 4,000 more than the city's population. The stadium was originally named after Félix Bollaert, a director of Compagnie des Mines de Lens, who was anxious to promote the development of sports clubs in the city. Construction began in 1931, though Bollaert died shortly before the stadium's inauguration.