Lagos mainly a collection of islands that are separated from each other by creeks of varying sizes and are connected together by bridges. The smaller sections of some creeks have been dredged and built over. This part of Lagos is the area where most business activities and entertainment events in Lagos takes place. It also houses most of the upscale residential areas in Lagos. The Local Government areas that are considered to be in the Island include Lagos Island, Amuwo-Odofin, Apapa (sometimes also regarded as being on the mainland), and Eti-Osa. The major upscale island neighbourhoods within these LGAs include Ikoyi
Lagos GDP and 90% of foreign exchange earnings in Nigeria as a whole. Lagos is famous throughout Africa for its music scene. Lagos has a vibrant nightlife and has given birth to a variety of styles such as Sakara music, Nigerian hip hop, highlife, juju, fuji and Afrobeat. Lagos is the centre of the Nigerian movie industry, often referred to as 'Nollywood'. Idumota market on Lagos Island is the primary distribution centre. Many films are shot in the Festac area of Lagos. Iganmu is home to the primary centre for the performing arts and artistes in Nigeria: the National Arts Theatre.