The smallest continent by area is Australia. Often referred to as both a country and a continent, Australia has a total land area of approximately 7.692 million square kilometers, making it smaller than all other continents. It is unique not just for its size but also for its biodiversity and distinct ecosystems. Although sometimes the term "Australasia" includes surrounding islands and regions, in a strict geographical sense, Australia stands alone as the smallest continent. Its vast landscapes range from deserts to tropical forests, showcasing a variety of climates and habitats.