The Nile has two major tributaries, the White Nile and Blue Nile. The White Nile is longer and rises in the Great Lakes region of central Africa, with the most distant source still undetermined but located in either Rwanda or Burundi. It flows north through Tanzania, Lake Victoria, Uganda and South Sudan. The Blue Nile is the source of most of the water and fertile soil. It begins at Lake Tana in Ethiopia at 12°02′09″N037°15′53″E / 12.03583°N 37.26472°E / 12.03583; 37.26472 and flows into Sudan from the southeast. The two rivers meet near the Sudanese capital of Khartoum.
Aswan (English pronunciation: /ˌæsˈwɑːn/; Egyptian Arabic: أسوانAswān IPA: [ʔɑsˈwɑːn]; Ancient Egyptian: Swentet ; Coptic: ⲥⲟⲩⲁⲛSwān , Ancient Greek: ΣυήνηSyenet ), formerly spelled Assuan, is a city in the south of Egypt, the capital of the Aswan Governorate.