The Dinka are a Nilotic people who inhabit the Nile Valley in South Sudan. They are one of the largest ethnic groups in the country, and their culture is rich and diverse. The Dinka are known for their pastoralism, their cattle, and their traditional way of life. They have a complex social structure, with a strong emphasis on kinship and lineage. The Dinka have a long and complex history, and they have played a significant role in the development of South Sudan.