Lagos and Victoria Island. Three major bridges join the island to the mainland. They are the Carter Bridge, which starts from Iddo; the Eko Bridge (formerly called the Second Mainland Bridge); and the Third Mainland Bridge, which passes through densely populated mainland suburbs to the Lagos Lagoon. Lagos Island contains a central business district. This district is characterised by high-rise buildings. The island also contains many of the city's largest wholesale marketplaces (such as the popular Idumota and Balogun Markets). It also has the National Museum of Nigeria, the Central Mosque, the Glover Memorial Hall, Christ's Church Cathedral (CMS) and the
Lagos eastern and western city limits in Lagos State, and beyond northern limits, spilling into the LGAs in adjoining Ogun State. Ogun State LGAs within Greater Metropolitan Lagos majorly include: Obafemi Owode, Sagamu, Ifo, Ado-Odo/Ota and part of Ewekoro. Today, the word "Lagos" most often refers to the urban area, called "Metropolitan Lagos" in Nigeria, which includes both the islands of the former municipality of Lagos and the mainland suburbs. Lagos State government is responsible for some of the utilities including roads and transportation, power, water, health and education. Metropolitan Lagos extends over 16 of the 20 LGAs of Lagos State,