The Kingdom of Kongo (Kikongo: "Kongo dia Ntotila" or "Wene wa Kongo;" Portuguese: "Reino do Congo") was a kingdom located in central Africa in present-day northern Angola, the western portion of the Democratic Republic of the Congo, the Republic of the Congo as well as the southernmost part of Gabon. At its greatest extent it reached from the Atlantic Ocean in the west to the Kwango River in the east, and from the Congo River in the north to the Kwanza River in the south. The kingdom consisted of several core provinces ruled by the "Manikongo", the Portuguese version of the Kongo title "Mwene Kongo", meaning "lord or ruler of the Kongo kingdom", but its sphere of influence extended to neighbouring kingdoms, such as Ngoyo, Kakongo, Loango, Ndongo and Matamba, the latter two located in what is Angola today.