Which is the smallest continent?

The smallest continent is Australia. It is located in the Southern Hemisphere and is also known as an island because it is surrounded by water on all sides. Australia is unique for its diverse ecosystems, including deserts, rainforests, and coral reefs like the Great Barrier Reef. Despite its small size, it has a rich variety of wildlife, including kangaroos, koalas, and many other species found nowhere else in the world. Australia is also home to large cities like Sydney and Melbourne, which are major cultural and economic centers.

This question related to Chapter 2 Social Science Class 6th NCERT.
From the Chapter 2. Oceans and Continents.
Give answer according to your understanding.