The Nizamiye Masjid, often called the Nizamiye Mosque, is a Sunni mosque, located in the city of Midrand, in Greater Johannesburg, in the province of Gauteng, South Africa. It is often stated to be the largest mosque in the Southern Hemisphere, occupying less than two-thirds of a hectare in a 10 ha site. The plans for the mosque were originally desiā¦The Nizamiye Masjid, often called the Nizamiye Mosque, is a Sunni mosque, located in the city of Midrand, in Greater Johannesburg, in the province of Gauteng, South Africa. It is often stated to be the largest mosque in the Southern Hemisphere, occupying less than two-thirds of a hectare in a 10 ha site. The plans for the mosque were originally designed in Turkey, but a South African architect adapted the design to South African building standards. Construction began in October 2009 and was completed in 2012.