The Sudan or Sudan (/suːˈdæn, -ˈdɑːn/ ( listen); Arabic: السودان as-Sūdān) also known as North Sudan since South Sudan's independence and officially the Republic of the Sudan (Arabic: جمهورية السودان Jumhūriyyat as-Sūdān), is a country in Northern Africa. It is bordered by Egypt to the north, the Red Sea, Eritrea and Ethiopia to the east, South Sudan to the south, the Central African Republic to the southwest, Chad to the west and Libya to the northwest. It is the third largest country in Africa covering 1,886,068 square kilometres (728,215 sq mi). The White Nile flows through the country, emptying into Lake Nubia in the north, the largest manmade lake in the world. The River Nile divides the country into eastern and western halves. Before the Sudanese Civil War, South Sudan was part of Sudan, but it became independent in 2011.