- Malakal is a city in South Sudan, located in the Upper Nile State. It is the capital of the state and is situated on the eastern bank of the White Nile River. Malakal serves as an important commercial and transportation hub, connecting various regions in South Sudan. The city has faced significant challenges, including conflict and displacement, but it remains an important urban center in the country. The population of Malakal is estimated to be around 160,765 people as of 2021.