It's not possible for a whole country to be located completely all at one point.
That particular point is one of an infinite number of points in South Africa.
Since you did not specify the direction of longitude, the country located at 20 degrees south latitude and 140 degrees east longitude is Australia, while the country located at 20 degrees south latitude and 140 degrees west longitude is France. The location is French Polynesia, which is a French territory.
Australia
South Africa
When you get to 90 Degrees South you are at the South Pole....
Australia
Since you did not specify the direction of longitude, the country located at 20 degrees south latitude and 140 degrees east longitude is Australia, while the country located at 20 degrees south latitude and 140 degrees west longitude is France. The location is French Polynesia, which is a French territory.
Argentina
Madagascar
Mexico
Australia
Australia
South Africa
There is no country at the coordinates 80 degrees south latitude and 140 degrees west longitude. It is a point on the continent of Antarctica.
When you get to 90 Degrees South you are at the South Pole....
Brazil.
Australia
Paraguay.