Ασία, the largest continent on Earth, covers about 30% of the planet's total land area. It is home to diverse cultures, languages, and religions, making it a rich tapestry of human civilization. Major countries in Ασία include Κίνα, Ινδία, and Ιαπωνία, each contributing significantly to global history and economy. The continent is known for its varied geography, ranging from the vast Σαχάρα desert to the towering Ιμαλάια mountains. Ασία also hosts some of the world's most populous cities, such as Τόκιο and Μουμπάι, which are vital centers for trade and innovation.