Masaka is a town in Central Uganda, lying west of Lake Victoria. It is the chief town of Masaka District. Besides being the headquarters of Masaka District, the town is the regional headquarters and largest metropolitan area in Lyantonde District, Sembabule District, Lwengo District, Bukomansimbi District, Kalungu District, Masaka District, Rakai District, and Kalangala District. Masaka lies approximately 140 kilometres (87 mi) to the southwest of Kampala, on the highway to Mbarara. The town lies very close to the Equator, as can be seen from the latitude values. It was Uganda's second-biggest town for a long time.