Yes, "South Sudan" is correct!!
Next Quesiton:

Who is this debonaire Arab handing an award to former UN General Secretary Kofi Annan? Hint: the award is in the shape of his country.
  1. King Abdullah bin Abdul Aziz Al Saud of Saudi Arabia
  2. President Hosni Mubarak of Egypt
  3. President Goodluck Jonathan of Nigeria
  4. President Mahmoud Ahmadinejad of Iran....wait a minute, he ain't even Arab!
  5. Prime Minister of the UAE Mohammed bin Rashid Al Maktoum