The National Museum of Sudan or Sudan National Museum, abbreviated SNM, is a two-story building constructed in 1955 and established as a museum in 1971. The building and its surrounding gardens house the largest and most comprehensive Nubian archaeological collection in the world including objects from the Paleolithic through to the Islamic period originating from every site of importance in the Sudan. A significant catalyst for the museum's creation was the large number of relocated artefacts as a result of the International Campaign to Save the Monuments of Nubia. In particular it houses collections of these periods of the History of Sudan: Paleolithic, Mesolithic, Neolithic, A-Group culture, C-Group culture, Kerma Culture, Middle Kingdom of Egypt, New Kingdom of Egypt, Napata, Meroë, X-Group culture and medieval Makuria. The museum is located on the El Neel (Nile) Avenue in Khartoum in Al-Mugran area near the spot where the White and the Blue Niles meet.