from Wikipedia Luanda:
Luanda (formerly called Loanda) is the capital and largest city of Angola. Located on Angola's coast with the Atlantic Ocean, Luanda is both Angola's chief seaport and administrative center and has a population of approximately 4.8 million (2007). It is also the capital city of Luanda Province. Luanda is located at 8°50'18" South, 13°14'4" East (-8.83833, 13.23444).