Sudan (ST) is bordered by Egypt (SU) to the north, Libya (5A) to the northwest, Chad (TT) to the west, the Central African Republic (TL) to the southwest, South Sudan (Z8) to the south, Ethiopia (ET) to the southeast, Eritrea (E3) to the east, and the Red Sea to the northeast.
Sudan, officially The Republic of the Sudan is a country in eastern Africa.Sudan is the third-largest country in the Africa
and also the third-largest in the Arab world. Before South Sudan's secession from Sudan on July 2011, the united Sudan
was the largest country in Africa and the Arab world by area.