Kakongo was a small kingdom located on the Atlantic coast of Central Africa, in the modern-day Republic of the Congo and Cabinda Province, Angola.

[3] This title has led historians to believe that Kakongo was once part of a federation of states that included Kongo and that may have formed around the late 14th century.

Slaves dominated the exports of the country, though most were simply transhipped from areas further south, mostly from the Kingdom of Kongo and the eastern provinces of Angola, such as Matamba.

Important goods that were also traded included gunpowder, guns, knives, cotton cloths, glass beads, copper and iron bars.

The mission was largely unsuccessful but did make contact with a community of Christians from Kongo's province of Soyo, living in the town of Manguenzo in the interior.