Africa.
Australia is the name of both the continent and the country.
Australia
Australia is its own continent, also known as Australasia or Oceania. It is the smallest continent and is located in the southern hemisphere.
Africa used to be known as the Dark Continent. This is because nothing was known about the interior of Africa up until about the mid 1800s. So to the outside world, interior Africa was known as dark and mysterious.
It was known as the Dark Continent in the past.
People from Europe, Australia, and the Americas used to call Africa the "dark continent." There were two reasons. One, was that it was very difficult for explorers who went there, and many of them died of illnesses such as yellow fever and malaria. Second, was because most of the continent was unknown as a result of that difficulty in exploration.
Australia is both a continent and a country. It is the smallest continent and the sixth-largest country in the world by land area.
Australia is known as the island continent because it is the only continent that is also a single country and is surrounded by water.
Australia is known as an island continent because it meets the criteria of being the largest landmass in a single continent and surrounded by water, such as the Pacific Ocean, Indian Ocean, and Tasman Sea.
Australia
Australia is the only country that occupies an entire continent, which is also known as Australia.