South Sudan President Salva Kiir Mayardit arrived here on Tuesday, kicking off his one-day visit to Sudan.
Kiir is accompanied by a delegation grouping a high-profile officials and ministers in the South Sudan government.
Sudanese President Omar Al-Bashir welcomed his South Sudanese counterpart at the airport.
The two sides are scheduled to hold talks on settling pending issues and within the framework of agreements signed between the two countries