No. There is an offshore area in the Atlantic that Angola claims as its coastal waters, and articles relating to the discovery of oil off Angola's coast sometimes use the term Angola sea. In this application, it is used just to denote the Angola territorial waters. That's with the small "s" in sea. It is not "Angola Sea" as is being asked here. There is no Angola Sea as such. The coastal waters of Angola are part of the South Atlantic Ocean.
australia antartica alabama arizona aruba angola ankara arabian sea austria aral sea
Which Angola? Angola the country is across the ocean in Africa. Otherwise you have Angola, Indiana; Angola, Kansas; Angola, New York; or Angola State Prison in Angola, Louisiana.
Niger is different from Libya and Angola because it does not have a coastline (it is landlocked and does not touch a sea or ocean). Libya is different from Niger and Angola because it is on the Mediterranean. Angola is different from Libya and Niger because it is south of the equator, and has no common border as the other two do. (A three-country comparison is a very inaccurate way to compare geography.)
Angola
No Zambia is not in Angola. Zambia is to the East of Angola.
Luanda is the capital and largest city in Angola.
In Angola, the official language is Portuguese, so you would typically say Bem-vindo a Angola to mean Welcome to Angola.
Most of the people run Angola. Angola is a republic with a president.
Portugal controlled Angola for about 400 years until Angola gained its independence in 1975.
Angola is larger.
Angola is a country in africa.
Angola's capital is Luanda.