Mbacké is a city and urban commune in central Senegal, located 190 km (118 mi) east of Dakar. It is the capital of an administrative department in the Diourbel region. Along with the nearby city of Touba, Mbacké forms an urban conurbation whose population currently stands at 1,222,275, making it Senegal's second largest agglomeration. It is connected to Dakar and Touba by the N3 road.