Cairo, city, capital of Egypt, and one of the largest cities in Africa. Cairo has stood for more than 1,000 years on the same site on the banks of the Nile, primarily on the eastern shore, some 500 miles (800 km) downstream from the Aswan High Dam. Located in the northeast of the country, Cairo is the gateway to the Nile delta, where the lower Nile separates into the Rosetta and Damietta branches. Metropolitan Cairo is made up of the Cairo muḥāfazah (governorate) as well as other districts, some of which belong to neighbouring governorates such as Al-Jīzah and Qalūbiyyah. Area governorate, 83 square miles (214 square km). Pop. (2006) governorate, 7,902,085; (2017) governorate, 9,539,673; urban agglom., 19,295,000.