Angola is located in southern Africa, and borders the South Atlantic Ocean, Namibia, Zambia, and both Congosâthe Democratic Republic of Congo and the Republic of the Congo. Angola has a total area of 1,246,700 square kilometers (481,351 square miles). It has a coastline of 1,610 kilometers (1,000 miles) on the South Atlantic Ocean. Comparatively, the area is slightly less than twice the size of Texas. The capital of Angola, Luanda, is located on the north-central coastline.