Blue Nile, also known as Abbay is a river originating at Lake Tana in Ethiopia. It is the major tributary of the Nile Basin Watershed and is also referred to as the “Blue Nile” once it is in the territory of Sudan. With the White Nile, it is one of the two major tributaries of the Nile.
Ethiopia, in the Horn of Africa, is a rugged, landlocked country split by the Great Rift Valley. With archaeological finds dating back more than 3 million years, it’s a place of ancient culture. Among its important sites are Lalibela with its rock-cut Christian churches from the 12th–13th centuries. Aksum is the ruins of an ancient city with obelisks, tombs, castles and Our Lady Mary of Zion church.
Sudan’s history goes back to the Pharaonic period. Independence from the British was proclaimed on 1 January 1956.
Islam was Sudan’s state religion and Islamic laws applied from 1983 until 2020 when the country became a secular state. The economy has been described as lower-middle income and relies on oil production. Sudan is a member of the United Nations, the Arab League, African Union, COMESA, Non-Aligned Movement and the Organisation of Islamic Co-operation.