The 30S parallel of latitude crosses South Africa, Australia, Peru, Argentina and Brazil.
It is Brazil, South America.
miami
That seems to be in Argentina.
The maximum degree of latitude, north or south, are both 90 degrees.
There is a major line of latitude located at 23.5 degrees south latitude, called the Tropic of Capricorn.
It is Brazil, South America.
No point on earth can have both a north and a south latitude, (except points on the equator, where latitude is zero).
australia
Antarctica
Ecuador
That point is about 47 miles southeast of Libreville, in Gabon.
It's not possible to locate or identify such a place, because no latitude, whether north or south, is ever greater than 90 degrees.
South america extends from about 13 degree N latitude in the north 55 degree S latitude in the south 35 degree W longitude in the east to 81 degree W in the west
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.
There's no country there. That point is at sea, about 215 miles east of the Batan Islands, and roughly equal distance from the south coast of Taiwan and the north coast of Luzon Island in the Philippines.
miami
It's not possible to locate or identify such a place, because no latitude, whether north or south, is ever greater than 90 degrees.