Angola is located in western Africa on the south Atlantic coast. Its capital and largest city is Luanda. Angola gained independence from Portugal in 1975. The country's flag features red, black, and a yellow star representing workers, industry, and the peasantry. Portuguese is the official language though other languages like Umbundu and Kimbundu are also widely spoken. The economy relies on oil production and diamond mining. The population enjoys traditional music and cuisine while the predominant religion is Roman Catholicism.